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  • “Yooperlite” is the common name for syenite rich in fluorescent sodalite. These specimens of fluorescent sodalite were recently discovered Michigan.<br />
The specimen was illuminated with shortwave ultraviolet light (UV) that cannot be detected with the camera used for this image. The tissues in the plant absorbed the UV light and fluoresced in the visible spectrum. This technique is called ultraviolet light induced visible light fluorescence (UVIVLF) and is often used in biology to detect unique compounds in samples. This image is part of a series.
    K20-UVIVF_5667.jpg
  • A specimen of Diopside (blue-green in UV), Humite (yellow in UV) and Calcite (red in UV) collected from the Long Lake Zinc Mine in Frontenac County, Ontario, Canada.  Photographed under short-wave ultraviolet light.  Part of a series of the specimen in different lights.
    K12-UVDiopside8715.jpg
  • Willemite photographed in lwhite light.  Calcite, willemite and franklinite (black) from New Jersey.  Part of a series of the specimen in different lights.
    K12-willemite3993.jpg
  • A specimen of Diopside (blue-green in UV), Humite (yellow in UV) and Calcite (red in UV) collected from the Long Lake Zinc Mine in Frontenac County, Ontario, Canada.  Photographed under short-wave ultraviolet light.  Part of a series of the specimen in different lights.
    K12-UVDiopside8709.jpg
  • willemite photographed in short wave uv light on the laft and white light on teh right - the two images are digitaly combined.  Calcite (red), willemite (green) and franklinite (black) from New Jersey, photographed under short-wave ultraviolet light.  Part of a series of the specimen in different lights.
    K12-willemite3998combo.jpg
  • willemite photographed in short wave uv light.  Calcite (red), willemite (green) and franklinite (black) from New Jersey, photographed under short-wave ultraviolet light.  Part of a series of the specimen in different lights.
    K12-willemite3998.jpg
  • This mineral produces a strong yellow color when exposed to long wave ultraviolet (UV) light. Wernerite is a variation of scapolite.  Collected in Grenville Québec, Canada.  Wernerite is considered one of the strongest fluorescent minerals in the long wave.  This mineral was named in the early 1800's by Abraham Gottlob Werner (1749-1817) who was a well known professor of mineralogy in German mineralogy professor.
    K12-Wernerite4005.jpg
  • Calcite (red), willemite (green) and franklinite (black) from New Jersey, photographed under short-wave ultraviolet light.  Part of a series of the specimen in different lights.
    K12-UVroc8696.jpg
  • Two different lights combind into one image.  The left part is UV light, while the right part is white light.  A specimen of Diopside (blue-green in UV), Humite (yellow in UV) and Calcite (red in UV) collected from the Long Lake Zinc Mine in Frontenac County, Ontario, Canada.  Photographed under short-wave ultraviolet light.  Part of a series of the specimen in different lights.
    K12-UVDiopside87combo.jpg
  • .This Fluorescent mineral illimaussaq Complex. This specimen contains Polylithionite (green) and Tugtupite that fluoresces red.  Collected on Taseq Slopes Greenland. This is part of a series.
    K12-Tugtupite3988.jpg
  • Calcite (red), willemite (green) and franklinite (black) from New Jersey, photographed under short-wave ultraviolet light.  Part of a series of the specimen in different lights.
    K12-UVroc3983.JPG
  • Calcite , willemite  and franklinite  from New Jersey, photographed in visible light.  Part of a series of the specimen in different lights.
    K12-UVroc3981.JPG
  • Hackmanite is an important variety of sodalite exhibiting Florescence.  This specimen hackmanite is from Ontario Canada.  Photographed under white light.  Part of a series of the specimen in different lights.
    K12-UVHackmanite8703.jpg
  • A specimen of Diopside (blue-green in UV), Humite (yellow in UV) and Calcite (red in UV) collected from the Long Lake Zinc Mine in Frontenac County, Ontario, Canada.  Photographed under short-wave ultraviolet light.  Part of a series of the specimen in different lights.
    K12-UVDiopside8716.jpg
  • A specimen of Diopside (blue-green in UV), Humite (yellow in UV) and Calcite (red in UV) collected from the Long Lake Zinc Mine in Frontenac County, Ontario, Canada.  Photographed under short-wave ultraviolet light.  Part of a series of the specimen in different lights.
    K12-UVDiopside8712.jpg
  • .This Fluorescent mineral illimaussaq Complex. This specimen contains Polylithionite and Tugtupite that fluoresces red.  Collected on Taseq Slopes Greenland. This is part of a series.
    K12-Tugtupite3991.jpg
  • “Yooperlite” is the common name for syenite rich in fluorescent sodalite. These specimens of fluorescent sodalite were recently discovered Michigan. The specimen was illuminated with white light to compare it with the shortwave ultraviolet light (UV) image in this series. This image is part of a series
    K20-UVIVF_5669.jpg
  • willemite photographed in long wave uv light.  Calcite (red), willemite (green) and franklinite (black) from New Jersey, photographed under long-wave ultraviolet light.  Part of a series of the specimen in different lights.
    K12-willemite3996.jpg
  • Hackmanite is an important variety of sodalite exhibiting Florescence.  This specimen hackmanite is from Ontario Canada.  Photographed under short-wave ultraviolet light.  Part of a series of the specimen in different lights.
    K12-UVHackmanite8707.jpg
  • This mineral produces a strong yellow color when exposed to long wave ultraviolet (UV) light. Wernerite is a variation of scapolite.  Collected in Grenville Québec, Canada.  Wernerite is considered one of the strongest fluorescent minerals in the long wave.  This mineral was named in the early 1800's by Abraham Gottlob Werner (1749-1817) who was a well known professor of mineralogy in German mineralogy professor.
    K12-Wernerite4001.jpg
  • Calcite , willemite  and franklinite (black) from New Jersey, photographed under white light.  Part of a series of the specimen in different lights.
    K12-UVroc8694.jpg
  • Asbestos, with fibers visible.
    K12-asbestos-rock224.jpg
  • Agate is a micro crystalline variety of silica, chiefly chalcedony, characterized by its fineness of grain and brightness of color. This particular agate came from the shores of Lake Superior in Michigan. Specimen Dimension: approximately 4 cm.
    K12-Sup-agate4232.jpg
  • Agate is a micro crystalline variety of silica, chiefly chalcedony, characterized by its fineness of grain and brightness of color. This particular agate came from the shores of Lake Superior in Michigan. Specimen Dimension: approximately 4 cm.
    K12-Sup-agate4210.jpg
  • A sample of Uranium ore conglomerate from Ontario Canada.  This image was created by placing the slice of radioactive conglomerate on a sheet of sensitive x-ray film for four days.  The darkest spots represent the highest sources of radiation.  The radiation is gamma, beta, and gamma..Uranium ore is also called pitchblende.  Pitchblende is a form of the uranium ore (uranium oxide).  This highly radioactive black ore is made up of uranium (U) and oxygen (O) in the chemical formula U3O8. As an uranium source it is important for the nuclear industry. .This is part of a series.  The other images in the series show the rock sample in optical light.
    Uo2-rock-radiation-B-aligned.jpg
  • Scanning Electron Micrograph (SEM) of a sample if ice water hash or hashish. Shown in the image is a pile of glandular trichomes that have been concentrated in a unique process. Leaves with very high concentrations of stalked glandular trichomes are cooled in ice water then agitated. The agitation breaks off the trichomes, which in turn sink, to the bottom of the water.  Once separated from the water and dried, the ice water hash has some of the highest concentrations of THC of any physical separation process.  Since the stalked glandular trichomes are the location of the highest concentration of THC this technique in recent years has become very popular. The marijuana (Cannabis sativa) plant contains tetrahydrocannabinol (THC), the active component of cannabis when used as a drug. The spherical cells in this sample are 60 um in diameter.
    K170403hashish01.jpg
  • This is a weathered sample of the rock used to make the monument Stonehenge in England.; This is a sample of Preseli Spotted Dolerite—a chemically altered igneous rock containing spots or clusters of plagioclase feldspar. It is a medium grained dark and heavy rock; harder than granite.; The bluestones at Stonehenge were placed there during the third phase of construction at Stonehenge around 2300 BC.; The majority of them are believed to have been brought from the Preseli Hills; about 250 miles away in Wales.
    stonehenge-bluestone_0169.jpg
  • A sample of Uranium ore conglomerate from Ontario Canada.  This image was created by placing the slice of radioactive conglomerate on a sheet of sensitive x-ray film for four days.  The brightest spots represent the highest sources of radiation.  False color was applied to the black and white image. The radiation is gamma, beta, and gamma..Uranium ore is also called pitchblende.  Pitchblende is a form of the uranium ore (uranium oxide).  This highly radioactive black ore is made up of uranium (U) and oxygen (O) in the chemical formula U3O8. As an uranium source it is important for the nuclear industry. .This is part of a series.  The other images in the series show the rock sample in optical light.
    Uo2-rock-radiation-A.jpg
  • This is a sample of the rock used to make the monument Stonehenge in England.; This is a sample of Preseli Spotted Dolerite—a chemically altered igneous rock containing spots or clusters of plagioclase feldspar. It is a medium grained dark and heavy rock; harder than granite.; The bluestones at Stonehenge were placed there during the third phase of construction at Stonehenge around 2300 BC.; The majority of them are believed to have been brought from the Preseli Hills; about 250 miles away in Wales.
    stonehenge-bluestone_0168.jpg
  • This is a sample of the rock used to make the monument Stonehenge in England.; This is a sample of Preseli Spotted Dolerite—a chemically altered igneous rock containing spots or clusters of plagioclase feldspar. It is a medium grained dark and heavy rock; harder than granite.; The bluestones at Stonehenge were placed there during the third phase of construction at Stonehenge around 2300 BC.; The majority of them are believed to have been brought from the Preseli Hills; about 250 miles away in Wales.
    stonehenge-bluestone_0158.jpg
  • A Scanning electron microscope (SEM) image of a micrometeorite. The diameter of this meteorite is 320 um. This sample has iron and nickel melted around a grain of almost pure titanium. This is not a rare find, there are several other samples such as this sited in the technical literature.        Micrometeorites routinely fall all over the surface of earth. This is primarily an iron meteorite with small amounts of other elements. This meteorite melted from atmospheric melting as it was captured in the earths atmosphere. The frictional heating melted the martial and surface tension of the molten metals brought it to a circular shape. Magnetic iron micrometeorites are easy to find with the help of a strong magnet. The crystal structure of the meteorite is visible in this image.
    K18SEM-MM-SB-002B.jpg
  • Crystals of hydroponic chemicals left on the surface of a cannabis plant.  The wrinkles show that this sample was not collected fresh, and this image is typical of samples that have dried out.  This is what any medical cannabis would look like – many times the samples are even dried out more. Field of view is 80 um.
    K14sem-cannabis47.jpg
  • This is a demonstration used to show the principle of heat of compression.  This is the physical process that makes Diesel engines possible.   To work the demonstration, a small sample of cotton is placed in the chamber.  The plunger is then forced down and held in place with considerable force.  The air in the chamber is forced into a very small volume, thus heating the air above the flash temperature of the Cotton.  The same process take place in a Diesel engine, but the fuel is oil.  The Diesel engine is much more efficient that a gasoline engine. .
    K12-combustion7955.jpg
  • SEM image of Human blood platelets in the process of clotting. This sample was taken from the root of a tooth from an 18 year old male during oral surgery. Magnification is x10,100 when printed 10 cm wide.
    tissue041.jpg
  • An SEM image of Human blood platelets in the process of clotting.  This sample was taken from the root of a tooth from an 18 year old male during oral surgery.  Magnification is x3330 when printed 10 cm wide.
    K14SEM-platelets-tissue024.jpg
  • Marble ws heated in a lime kiln to convert teh mineral to lime.  This is the material used in a limelight lamp.  Limelight also known as calcium light is a type of stage lighting once used in theaters.  A bright light is created when a sample of quicklime (calcium oxide). The light is produced by  incandescence.  The historic use of the light still services as someone in the public eye is still said to be ?in the limelight.? .Lime is produced by heating calcium carbonate until the extra carbon and oxygen atoms are driven off leaving just the calcium oxide.  This process is very easy and takes place in a lime kiln. Lime can be made from sea shells, chalk, and many types of rock - including marble.
    K12lime-marble026.JPG
  • This is a demonstration used to show the principle of heat of compression.  This is the physical process that makes Diesel engines possible.   To work the demonstration, a small sample of cotton is placed in the chamber.  The plunger is then forced down and held in place with considerable force.  The air in the chamber is forced into a very small volume, thus heating the air above the flash temperature of the Cotton.  The same process take place in a Diesel engine, but the fuel is oil.  The Diesel engine is much more efficient that a gasoline engine. .
    K12-combustion8008.jpg
  • Magnetite. Magnetite, also known as lodestone, is a name given to either iron (III) oxide or iron (II) oxide. It is a naturally magnetic mineral. A sample of magnetite attracts an iron paper clip.
    K08magnetite0007.jpg
  • Gypsum. Polarized light micrograph of a thin section of gypsum. Gypsum is a chemical sedimentary rock, composed mainly of hydrated calcium sulphate. It may grow as a crystal aggregate (as here) or in giant tabular crystals up to 1 meter in length. Gypsum is used in plaster of Paris, in Portland cement and as a flux in pottery. The most compact form of gypsum is known as alabaster. Sample collected in Penfield, New York.  Object size: 40 mm.
    K17pol-gypsum_4700.jpg
  • Glass of water with a sample of pumice floating.  This demonstration shows that the density of pumice is less than the density of water.
    pumice-floating_0088.jpg
  • This is a section of the suspender cable from the Golden Gate Bridge spanning the entrance to San Francisco Bay, California.   The original suspender cable manufactured by the John A Roebling’s Sons Co. was erected in 1936.  This section of the original cable was removed and replaced with new cable during the renovations of 1975-1976.  The cable specifications are it is 2 and 11/16 inches in Diameter and has a rope area of 3.324 Sq. In. Ultimate Strength is 600,000 lb and is made from 229 individual wires.  The weight of the wire is 12 lb per linear foot.  This sample was removed from panel point 49EL on April 14, 1975.  This section is from an original cable length of 929.67 feet.
    goldengate-bridge-cable_0045.jpg
  • An SEM image of Human blood platelets in the process of clotting.  This sample was taken from the root of a tooth from an 18 year old male during oral surgery.  Magnification is x9540 when printed 10 cm wide.
    K14SEM-platelets-tissue054B.jpg
  • An SEM image of Human blood platelets in the process of clotting.  This sample was taken from the root of a tooth from an 18 year old male during oral surgery.  Magnification is x9540 when printed 10 cm wide.
    K14SEM-platelets-tissue054.jpg
  • An SEM image of Human blood platelets in the process of clotting.  This sample was taken from the root of a tooth from an 18 year old male during oral surgery.  Magnification is x3330 when printed 10 cm wide.
    K14SEM-platelets-tissue024B.jpg
  • Rock Candy, also called rock sugar.  A string is suspended in a super saturated solution of sugar.  The sugar crystals will form on nucleation sites along the string.  This sample took three weeks to grow.
    K12-rockcandy9824.JPG
  • Marble ws heated in a lime kiln to convert teh mineral to lime.  This is the material used in a limelight lamp.  Limelight also known as calcium light is a type of stage lighting once used in theaters.  A bright light is created when a sample of quicklime (calcium oxide). The light is produced by  incandescence.  The historic use of the light still services as someone in the public eye is still said to be ?in the limelight.? .Lime is produced by heating calcium carbonate until the extra carbon and oxygen atoms are driven off leaving just the calcium oxide.  This process is very easy and takes place in a lime kiln. Lime can be made from sea shells, chalk, and many types of rock - including marble.
    K12lime-marble051.JPG
  • Limelight also known as calcium light is a type of stage lighting once used in theaters.  A bright light is created when a sample of quicklime (calcium oxide). The light is produced by  incandescence.  The historic use of the light still services as someone in the public eye is still said to be ?in the limelight.? .Lime is produced by heating calcium carbonate until the extra carbon and oxygen atoms are driven off leaving just the calcium oxide.  This process is very easy and takes place in a lime kiln. Lime can be made from sea shells, chalk, and many types of rock - including marble.
    K12lime-chalk013.JPG
  • Limelight also known as calcium light is a type of stage lighting once used in theaters.  A bright light is created when a sample of quicklime (calcium oxide). The light is produced by  incandescence.  The historic use of the light still services as someone in the public eye is still said to be ?in the limelight.? .Lime is produced by heating calcium carbonate until the extra carbon and oxygen atoms are driven off leaving just the calcium oxide.  This process is very easy and takes place in a lime kiln. Lime can be made from sea shells, chalk, and many types of rock - including marble.
    K12lime023.JPG
  • This is a demonstration used to show the principle of heat of compression.  This is the physical process that makes Diesel engines possible.   To work the demonstration, a small sample of cotton is placed in the chamber.  The plunger is then forced down and held in place with considerable force.  The air in the chamber is forced into a very small volume, thus heating the air above the flash temperature of the Cotton.  The same process take place in a Diesel engine, but the fuel is oil.  The Diesel engine is much more efficient that a gasoline engine.  This image is part of a sequence showing the chamber before and after ignition..
    K12-combustion8014.jpg
  • Gypsum. Polarized light micrograph of a thin section of gypsum. Gypsum is a chemical sedimentary rock, composed mainly of hydrated calcium sulphate. It may grow as a crystal aggregate (as here) or in giant tabular crystals up to 1 meter in length. Gypsum is used in plaster of Paris, in Portland cement and as a flux in pottery. The most compact form of gypsum is known as alabaster. Sample collected in Penfield, New York.  Object size: 40 mm.
    K17pol-gypsum_4697.jpg
  • An SEM image of Human blood platelets in the process of clotting.  This sample was taken from the root of a tooth from an 18 year old male during oral surgery.  Magnification is x9420 when printed 10 cm wide.
    K14SEM-platelets-tissue014A.jpg
  • Thermophilic bacteria (blue). Collected in the summer of 2012 in 90C water in Yellowstone National Park, Wyoming USA.  This scanning electron micrograh (SEM) was shot at 19,000X magnification and the filed of view is 1.5 um.  This type of bacteria is adapted to thrive at high water temperatures and is currently the focus of biological researchers.   Bacteria that can live in these extreme conditions are called thermophiles or extremophiles. This sample came from the hottest part of the springs.  The hotter the temperature the small smaller the bacteria typically.
    K12-thermo23A.jpg
  • SEM Human Skin. This is a sample of healthy human skin. The magnification: 1000x
    K12sem-human-skin24.jpg
  • Limelight also known as calcium light is a type of stage lighting once used in theaters.  A bright light is created when a sample of quicklime (calcium oxide). The light is produced by  incandescence.  The historic use of the light still services as someone in the public eye is still said to be ?in the limelight.? .Lime is produced by heating calcium carbonate until the extra carbon and oxygen atoms are driven off leaving just the calcium oxide.  This process is very easy and takes place in a lime kiln. Lime can be made from sea shells, chalk, and many types of rock - including marble.
    K12lime020.JPG
  • A seashell was heated in a lime kiln to convert the shell material into lime.  Limelight also known as calcium light is a type of stage lighting once used in theaters.  A bright light is created when a sample of quicklime (calcium oxide). The light is produced by  incandescence.  The historic use of the light still services as someone in the public eye is still said to be ?in the limelight.? .Lime is produced by heating calcium carbonate until the extra carbon and oxygen atoms are driven off leaving just the calcium oxide.  This process is very easy and takes place in a lime kiln. Lime can be made from sea shells, chalk, and many types of rock - including marble.
    K12lime003.JPG
  • A seashell was heated in a lime kiln to convert the shell material into lime.  Limelight also known as calcium light is a type of stage lighting once used in theaters.  A bright light is created when a sample of quicklime (calcium oxide). The light is produced by  incandescence.  The historic use of the light still services as someone in the public eye is still said to be ?in the limelight.? .Lime is produced by heating calcium carbonate until the extra carbon and oxygen atoms are driven off leaving just the calcium oxide.  This process is very easy and takes place in a lime kiln. Lime can be made from sea shells, chalk, and many types of rock - including marble.
    K12lime007.JPG
  • Powdery mildew (Sphaerotheca pannosa) infection on a peony leaf.  Sample was collected in late summer in New York State.  The balls are fruiting bodies of the fungus that will distribute the spores to more plants.
    K09sem-mildew100.jpg
  • An optical image of the cross section of a leaf support (petiole). The notch in the structure points up and is believed to be associated with water flow over the leaf structure.  The center of the structure is where the pith cells are located, in a mature leaf the center section would be completely filled with pith cells. This section has been dyed with neutral red and brilliant crystal blue.  This picture of the petiole shows a 3mm wide field of view.  This sample was stained to highlight cell structures.
    K13SEM-cannabis49.jpg
  • This is a section of the suspender cable from the Golden Gate Bridge spanning the entrance to San Francisco Bay, California.   The original suspender cable manufactured by the John A Roebling’s Sons Co. was erected in 1936.  This section of the original cable was removed and replaced with new cable during the renovations of 1975-1976.  The cable specifications are it is 2 and 11/16 inches in Diameter and has a rope area of 3.324 Sq. In. Ultimate Strength is 600,000 lb and is made from 229 individual wires.  The weight of the wire is 12 lb per linear foot.  This sample was removed from panel point 49EL on April 14, 1975.  This section is from an original cable length of 929.67 feet.
    goldengate-bridge-cable_0029.jpg
  • This is a section of the suspender cable from the Golden Gate Bridge spanning the entrance to San Francisco Bay, California.   The original suspender cable manufactured by the John A Roebling’s Sons Co. was erected in 1936.  This section of the original cable was removed and replaced with new cable during the renovations of 1975-1976.  The cable specifications are it is 2 and 11/16 inches in Diameter and has a rope area of 3.324 Sq. In. Ultimate Strength is 600,000 lb and is made from 229 individual wires.  The weight of the wire is 12 lb per linear foot.  This sample was removed from panel point 49EL on April 14, 1975.  This section is from an original cable length of 929.67 feet.
    goldengate-bridge-cable_0026.jpg
  • An SEM image of Human blood platelets in the process of clotting.  This sample was taken from the root of a tooth from an 18 year old male during oral surgery.  Magnification is x6530 when printed 10 cm wide.
    K14SEM-platelets-tissue052.jpg
  • An SEM image of Human blood platelets in the process of clotting.  This sample was taken from the root of a tooth from an 18 year old male during oral surgery.  Magnification is x9420 when printed 10 cm wide.
    K14SEM-platelets-tissue014.jpg
  • Thermophilic bacteria (blue). Collected in the summer of 2012 in 90C water in Yellowstone National Park, Wyoming USA.  This scanning electron micrograh (SEM) was shot at 19,000X magnification and the filed of view is 1.5 um.  This type of bacteria is adapted to thrive at high water temperatures and is currently the focus of biological researchers.   Bacteria that can live in these extreme conditions are called thermophiles or extremophiles. This sample came from the hottest part of the springs.  The hotter the temperature the small smaller the bacteria typically.
    K12-thermo23BW.jpg
  • Rock Candy, also called rock sugar.  A string is suspended in a super saturated solution of sugar.  The sugar crystals will form on nucleation sites along the string.  This sample took three weeks to grow.
    K12-rockcandy9829.JPG
  • Rock Candy, also called rock sugar.  A string is suspended in a super saturated solution of sugar.  The sugar crystals will form on nucleation sites along the string.  This sample took three weeks to grow.
    K12-rockcandy9825.JPG
  • Limelight also known as calcium light is a type of stage lighting once used in theaters.  A bright light is created when a sample of quicklime (calcium oxide). The light is produced by  incandescence.  The historic use of the light still services as someone in the public eye is still said to be ?in the limelight.? .Lime is produced by heating calcium carbonate until the extra carbon and oxygen atoms are driven off leaving just the calcium oxide.  This process is very easy and takes place in a lime kiln. Lime can be made from sea shells, chalk, and many types of rock - including marble.
    K12lime-chalk012.JPG
  • Limelight also known as calcium light is a type of stage lighting once used in theaters.  A bright light is created when a sample of quicklime (calcium oxide). The light is produced by  incandescence.  The historic use of the light still services as someone in the public eye is still said to be ?in the limelight.? .Lime is produced by heating calcium carbonate until the extra carbon and oxygen atoms are driven off leaving just the calcium oxide.  This process is very easy and takes place in a lime kiln. Lime can be made from sea shells, chalk, and many types of rock - including marble.
    K12lime-chalk011.JPG
  • This is a demonstration used to show the principle of heat of compression.  This is the physical process that makes Diesel engines possible.   To work the demonstration, a small sample of cotton is placed in the chamber.  The plunger is then forced down and held in place with considerable force.  The air in the chamber is forced into a very small volume, thus heating the air above the flash temperature of the Cotton.  The same process take place in a Diesel engine, but the fuel is oil.  The Diesel engine is much more efficient that a gasoline engine.  This image is part of a sequence showing the chamber before and after ignition..
    K12-combustion8020.jpg
  • A sample of Uranium ore conglomerate from Ontario Canada..The uranium is the dark material between the large quartz pebbles..Uranium ore is also called pitchblende.  Pitchblende is a form of the uranium ore (uranium oxide).  This highly radioactive black ore is made up of uranium (U) and oxygen (O) in the chemical formula U3O8. As an uranium source it is important for the nuclear industry. .This is part of a series.  The other images in the series show the radiation from this specimen.
    Uo2-rock-optical.jpg
  • Powdery mildew (Sphaerotheca pannosa) infection on a peony leaf.  Sample was collected in late summer in New York State.  The balls are fruiting bodies of the fungus that will distribute the spores to more plants.
    K09sem-mildew103.jpg
  • These  pointed scales are also known as dermal teeth. They give the shark's skin the feel of sandpaper.  The scales disrupt turbulence over the skin, considerably reducing the drag on the shark as it swims.  The reduction in fluid drag allows the shark to swim with less energy.  This unique design is duplicated in swimsuits and other surfaces that move through the water. The scale bar is 20 um and the magnification is 187x. This sample was collected from a dogfish shark.
    K08sem-sharkskin02blu.jpg
  • An optical image of the cross section of a leaf support (petiole). The notch in the structure points up and is believed to be associated with water flow over the leaf structure.  The center of the structure is where the pith cells are located, in a mature leaf the center section would be completely filled with pith cells. This section has been dyed with neutral red and brilliant crystal blue.  This picture of the petiole shows a 3mm wide field of view.  This sample was stained to highlight cell structures.
    K13SEM-cannabis21.jpg
  • Marble ws heated in a lime kiln to convert teh mineral to lime.  This is the material used in a limelight lamp.  Limelight also known as calcium light is a type of stage lighting once used in theaters.  A bright light is created when a sample of quicklime (calcium oxide). The light is produced by  incandescence.  The historic use of the light still services as someone in the public eye is still said to be ?in the limelight.? .Lime is produced by heating calcium carbonate until the extra carbon and oxygen atoms are driven off leaving just the calcium oxide.  This process is very easy and takes place in a lime kiln. Lime can be made from sea shells, chalk, and many types of rock - including marble.
    K12lime-marble050.JPG
  • Seashells were heated in a lime kiln to convert the shell material into lime.  Limelight also known as calcium light is a type of stage lighting once used in theaters.  A bright light is created when a sample of quicklime (calcium oxide). The light is produced by  incandescence.  The historic use of the light still services as someone in the public eye is still said to be ?in the limelight.? .Lime is produced by heating calcium carbonate until the extra carbon and oxygen atoms are driven off leaving just the calcium oxide.  This process is very easy and takes place in a lime kiln. Lime can be made from sea shells, chalk, and many types of rock - including marble.
    K12lime006.JPG
  • Gypsum. Polarized light micrograph of a thin section of gypsum. Gypsum is a chemical sedimentary rock, composed mainly of hydrated calcium sulphate. It may grow as a crystal aggregate (as here) or in giant tabular crystals up to 1 meter in length. Gypsum is used in plaster of Paris, in Portland cement and as a flux in pottery. The most compact form of gypsum is known as alabaster. Sample collected in Penfield, New York.  Object size: 40 mm.
    K17pol-gypsum_4704.jpg
  • This is a section of the suspender cable from the Golden Gate Bridge spanning the entrance to San Francisco Bay, California.   The original suspender cable manufactured by the John A Roebling’s Sons Co. was erected in 1936.  This section of the original cable was removed and replaced with new cable during the renovations of 1975-1976.  The cable specifications are it is 2 and 11/16 inches in Diameter and has a rope area of 3.324 Sq. In. Ultimate Strength is 600,000 lb and is made from 229 individual wires.  The weight of the wire is 12 lb per linear foot.  This sample was removed from panel point 49EL on April 14, 1975.  This section is from an original cable length of 929.67 feet.
    goldengate-bridge-cable_0032.jpg
  • Rock Candy, also called rock sugar.  A string is suspended in a super saturated solution of sugar.  The sugar crystals will form on nucleation sites along the string.  This sample took three weeks to grow.
    K12-rockcandy9823.JPG
  • Limelight also known as calcium light is a type of stage lighting once used in theaters.  A bright light is created when a sample of quicklime (calcium oxide). The light is produced by  incandescence.  The historic use of the light still services as someone in the public eye is still said to be ?in the limelight.? .Lime is produced by heating calcium carbonate until the extra carbon and oxygen atoms are driven off leaving just the calcium oxide.  This process is very easy and takes place in a lime kiln. Lime can be made from sea shells, chalk, and many types of rock - including marble.
    K12lime024.JPG
  • A coprolites is the fossilized feces of a prehistoric animal. As it is very rare that a sample can be accurately related to a specific genus of animal, coprolites are classified according to their own taxonomy. This specimen was collected from  cretaceous rock in North America
    K08Coprolite0005.jpg
  • Salt crystals (NaCl).  Collected  in The Salton Sea, an inland saline lake in Southern California.  This sample shows the cubic structure of the salt crystals.
    K12salt-crystals039.JPG
  • Salt crystals (NaCl).  Collected  in The Salton Sea, an inland saline lake in Southern California.  This sample shows the cubic structure of the salt crystals.
    K12salt-crystals044.JPG
  • Kiwi fruit, (Actinidia deliciosa). The specimen was illuminated with shortwave ultraviolet light (UV) that cannot be detected with the camera used for this image. The tissues in the plant absorbed the UV light and fluoresced in the visible spectrum. This technique is called ultraviolet light induced visible light fluorescence (UVIVLF) and is often used in biology to detect unique compounds in samples. This image is part of a series
    K20-UVIVF_4473.jpg
  • Kiwi fruit, (Actinidia deliciosa). The specimen was illuminated with shortwave ultraviolet light (UV) that cannot be detected with the camera used for this image. The tissues in the plant absorbed the UV light and fluoresced in the visible spectrum. This technique is called ultraviolet light induced visible light fluorescence (UVIVLF) and is often used in biology to detect unique compounds in samples. This image is part of a series
    K20-UVIVF_4468.jpg
  • Salt crystals (NaCl).  Large samples of rock salt showing the cubic cleavage structure.
    K12salt-crystals018.JPG
  • A Black walnut fruit (Juglans nigra). The specimen was illuminated with shortwave ultraviolet light (UV) that cannot be detected with the camera used for this image. The tissues in the plant absorbed the UV light and fluoresced in the visible spectrum. This technique is called ultraviolet light induced visible light fluorescence (UVIVLF) and is often used in biology to detect unique compounds in samples. This image is part of a series
    K20-UVIVF_4392.jpg
  • Daffodil flower as seen in UV light. The specimen was illuminated with shortwave ultraviolet light (UV) that cannot be detected with the camera used for this image. The tissues in the plant absorbed the UV light and fluoresced in the visible spectrum. This technique is called ultraviolet light induced visible light fluorescence (UVIVLF) and is often used in biology to detect unique compounds in samples. This image is part of a series.
    K20-C_3541UVVF.jpg
  • Atlantic sturgeon (Acipenser sturio) The thick plates of the scales offer the fish protection from predators. These scales are from the critically endangered Atlantic, Common, or Sea Sturgeon (Acipenser sturio). These samples are from Quebec, Canada. The average size of a scale here is 5 cm.
    K15X-Sturgeon-comp04BW.jpg
  • Scanning electron microscope image of sterilized medical paper gauze.  This type of paper is used in medical application and to carry tissue samples to a lab.  Magnification is x205 when printed 10 cm wide.
    K14SEM-med-gauze056.jpg
  • A browning banana. The specimen was illuminated with shortwave ultraviolet light (UV) that cannot be detected with the camera used for this image. There was a small amout of white light added to the exposure to show the yellow of the banana. The tissues in the plant absorbed the UV light and fluoresced in the visible spectrum. This technique is called ultraviolet light induced visible light fluorescence (UVIVLF) and is often used in biology to detect unique compounds in samples. This image is part of a series
    K20-UVIVF_4448.jpg
  • Daffodil flower as seen in UV light. The specimen was illuminated with shortwave ultraviolet light (UV) that cannot be detected with the camera used for this image. The tissues in the plant absorbed the UV light and fluoresced in the visible spectrum. This technique is called ultraviolet light induced visible light fluorescence (UVIVLF) and is often used in biology to detect unique compounds in samples. This image is part of a series.
    K20-D_3539UVVF.jpg
  • Daffodil flower as seen in UV light. The specimen was illuminated with shortwave ultraviolet light (UV) that cannot be detected with the camera used for this image. The tissues in the plant absorbed the UV light and fluoresced in the visible spectrum. This technique is called ultraviolet light induced visible light fluorescence (UVIVLF) and is often used in biology to detect unique compounds in samples. This image is part of a series.
    K20-A_3552UVVF.jpg
  • Atlantic sturgeon (Acipenser sturio) The thick plates of the scales offer the fish protection from predators. These scales are from the critically endangered Atlantic, Common, or Sea Sturgeon (Acipenser sturio). These samples are from Quebec, Canada. The average size of a scale here is 5 cm.
    K15X-Sturgeon-comp03.jpg
  • Atlantic sturgeon (Acipenser sturio) The thick plates of the scales offer the fish protection from predators. These scales are from the critically endangered Atlantic, Common, or Sea Sturgeon (Acipenser sturio). These samples are from Quebec, Canada. The average size of a scale here is 5 cm.
    K15X-Sturgeon-comp03BW.jpg
  • Atlantic sturgeon (Acipenser sturio) The thick plates of the scales offer the fish protection from predators. These scales are from the critically endangered Atlantic, Common, or Sea Sturgeon (Acipenser sturio). These samples are from Quebec, Canada. The average size of a scale here is 5 cm.
    K15X-Sturgeon-comp02.jpg
  • Flint corn (Zea mays indurata) commonly known as Indian corn is the same species but a variant of maize.  The specimen was illuminated with shortwave ultraviolet light (UV) that cannot be detected with the camera used for this image. The tissues in the plant absorbed the UV light and fluoresced in the visible spectrum. This technique is called ultraviolet light induced visible light fluorescence (UVIVLF) and is often used in biology to detect unique compounds in samples. This image is part of a series
    K20-UVIVF_4524.jpg
  • Kiwano fruits (Cucumis metuliferus). The specimen was illuminated with shortwave ultraviolet light (UV) that cannot be detected with the camera used for this image. The tissues in the plant absorbed the UV light and fluoresced in the visible spectrum. This technique is called ultraviolet light induced visible light fluorescence (UVIVLF) and is often used in biology to detect unique compounds in samples. This image is part of a series
    K20-UVIVF_4520.jpg
  • Kiwano fruits (Cucumis metuliferus). The specimen was illuminated with shortwave ultraviolet light (UV) that cannot be detected with the camera used for this image. The tissues in the plant absorbed the UV light and fluoresced in the visible spectrum. This technique is called ultraviolet light induced visible light fluorescence (UVIVLF) and is often used in biology to detect unique compounds in samples. This image is part of a series
    K20-UVIVF_4516.jpg
  • Kiwano fruits (Cucumis metuliferus). The specimen was illuminated with shortwave ultraviolet light (UV) that cannot be detected with the camera used for this image. The tissues in the plant absorbed the UV light and fluoresced in the visible spectrum. This technique is called ultraviolet light induced visible light fluorescence (UVIVLF) and is often used in biology to detect unique compounds in samples. This image is part of a series
    K20-UVIVF_4504.jpg
  • Kiwi fruit, (Actinidia deliciosa). The specimen was illuminated with shortwave ultraviolet light (UV) that cannot be detected with the camera used for this image. The tissues in the plant absorbed the UV light and fluoresced in the visible spectrum. This technique is called ultraviolet light induced visible light fluorescence (UVIVLF) and is often used in biology to detect unique compounds in samples. This image is part of a series
    K20-UVIVF_4467.jpg
  • A seed pod of the thorn apple (Datura stramonium). The specimen was illuminated with shortwave ultraviolet light (UV) that cannot be detected with the camera used for this image. The tissues in the plant absorbed the UV light and fluoresced in the visible spectrum. This technique is called ultraviolet visible light fluorescence and is often used in biology to detect unique compounds in samples. This image is part of a series
    K20-UVIVF_4402.jpg
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