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  • X-ray of a Rhubarb leaf (Rheum sp. ) leaves and stalks. The stalks are eaten, and are a good source of vitamin C (ascorbic acid). The leaves contain oxalic acid, however, and are toxic.
    K15Xrhubarb01.jpg
  • X-ray of a Rhubarb leaf (Rheum sp. ) leaves and stalks. The stalks are eaten, and are a good source of vitamin C (ascorbic acid). The leaves contain oxalic acid, however, and are toxic.
    K15Xrhubarb01C.jpg
  • X-ray of a Rhubarb leaf (Rheum sp. ) leaves and stalks. The stalks are eaten, and are a good source of vitamin C (ascorbic acid). The leaves contain oxalic acid, however, and are toxic.
    K15Xrhubarb01B.jpg
  • X-ray of the seedpod of an opium poppy (Papaver somniferum), an annual garden ornamental and a source of opiate narcotics.
    K15X-poppy04A.jpg
  • X-ray of the seedpod of an opium poppy (Papaver somniferum), an annual garden ornamental and a source of opiate narcotics.
    K15X-poppy05B.jpg
  • X-ray of the seedpod of an opium poppy (Papaver somniferum), an annual garden ornamental and a source of opiate narcotics.
    K15X-poppy04B.jpg
  • X-ray of the seedpod of an opium poppy (Papaver somniferum), an annual garden ornamental and a source of opiate narcotics.
    K15X-poppy04C.jpg
  • X-ray of the seedpod of an opium poppy (Papaver somniferum), an annual garden ornamental and a source of opiate narcotics.
    K15X-poppy03C.jpg
  • X-ray of the seedpod of an opium poppy (Papaver somniferum), an annual garden ornamental and a source of opiate narcotics.
    K15X-poppy03B.jpg
  • X-ray of the seedpod of an opium poppy (Papaver somniferum), an annual garden ornamental and a source of opiate narcotics.
    K15X-poppy02A.jpg
  • X-ray of the seedpod of an opium poppy (Papaver somniferum), an annual garden ornamental and a source of opiate narcotics.
    K15X-poppy05A.jpg
  • X-ray of the seedpod of an opium poppy (Papaver somniferum), an annual garden ornamental and a source of opiate narcotics.
    K15X-poppy03A.jpg
  • X-ray of the seedpod of an opium poppy (Papaver somniferum), an annual garden ornamental and a source of opiate narcotics.
    K15X-poppy02C.jpg
  • X-ray of the seedpod of an opium poppy (Papaver somniferum), an annual garden ornamental and a source of opiate narcotics.
    K15X-poppy02B.jpg
  • An Sem image of blue cheese, the blue color and flavor of the cheese is due to the Penicillin fungus.  It is made from cow's milk using the mould Penicillin to produce the blue-green marbling. Cheese is a good source of calcium, but contains high levels of fat.  This is a false color scanning electron microscope image.   The image was collected at 1,000x magnification and the length bar at the bottom of the image is 20 um.
    K07SEMbluecheese5.jpg
  • An Sem image of blue cheese, the blue color and flavor of the cheese is due to the Penicillin fungus.  It is made from cow's milk using the mould Penicillin to produce the blue-green marbling. Cheese is a good source of calcium, but contains high levels of fat.  This is a false color scanning electron microscope image.   The image was collected at 1,000x magnification and the length bar at the bottom of the image is 20 um.
    K07SEMbluecheese1.jpg
  • An x-ray of Hardneck garlic scapes.  These leafless stems of the garlic plant (Allium sativum) are edible and used as a vegetable.
    K15X-garlic-comp02C.jpg
  • An x-ray of Hardneck garlic scapes.  These leafless stems of the garlic plant (Allium sativum) are edible and used as a vegetable.
    K15X-garlic-comp02A.jpg
  • An x-ray of Hardneck garlic scapes.  These leafless stems of the garlic plant (Allium sativum) are edible and used as a vegetable.
    K15X-garlic-comp01E.jpg
  • An x-ray of Hardneck garlic scapes.  These leafless stems of the garlic plant (Allium sativum) are edible and used as a vegetable.
    K15X-garlic-comp01D.jpg
  • An x-ray of Hardneck garlic scapes.  These leafless stems of the garlic plant (Allium sativum) are edible and used as a vegetable.
    K15X-garlic-comp01C.jpg
  • An x-ray of Hardneck garlic scapes.  These leafless stems of the garlic plant (Allium sativum) are edible and used as a vegetable.
    K15X-garlic-comp01B.jpg
  • An x-ray of Hardneck garlic scapes.  These leafless stems of the garlic plant (Allium sativum) are edible and used as a vegetable.
    K15X-garlic-comp01A.jpg
  • An x-ray of Hardneck garlic scapes.  These leafless stems of the garlic plant (Allium sativum) are edible and used as a vegetable.
    K15X-garlic-comp02B.jpg
  • Cocoa pod (Theobroma cacao). This is the fruit of the cocoa, or cacao, tree from which cocoa beans are extracted. The leathery yellow pod contains up to 100 beans embedded in a soft pulp. These are dried, roasted and ground to produce cocoa powder, which is then used to make chocolate.
    K12-cocapod1146.jpg
  • Cocoa pod (Theobroma cacao). This is the fruit of the cocoa, or cacao, tree from which cocoa beans are extracted. The leathery yellow pod contains up to 100 beans embedded in a soft pulp. These are dried, roasted and ground to produce cocoa powder, which is then used to make chocolate.
    K12-cocapod1130.jpg
  • A scanning electron microscope image of the stem of a young 5-day-old cannabis (Cannabis sativa) plant stem. This image is a transverse section of the stem showing the different cell types. Cannabis is also known as help, and is a source of strong fibers for clothing, paper, and rope. This fast growing plant shows promise for being a cheep source of fibers in the future. This image shows a horizontal field of view of .3mm.
    K170510stemApan1.jpg
  • A scanning electron microscope image of the stem of a young 5-day-old cannabis (Cannabis sativa) plant stem. This image is a transverse section of the stem showing the different cell types. Cannabis is also known as help, and is a source of strong fibers for clothing, paper, and rope. This fast growing plant shows promise for being a cheep source of fibers in the future. This image shows a horizontal field of view of .2mm.
    K170512stemC027A.jpg
  • A scanning electron microscope image of the stem of a young 5-day-old cannabis (Cannabis sativa) plant stem. This image is a transverse section of the stem showing the different cell types. Cannabis is also known as help, and is a source of strong fibers for clothing, paper, and rope. This fast growing plant shows promise for being a cheep source of fibers in the future. This image shows a horizontal field of view of .3mm.
    K170510stemApan1C.jpg
  • A scanning electron microscope image of the stem of a young 5-day-old cannabis (Cannabis sativa) plant stem. This image is a transverse section of the stem showing the different cell types. Cannabis is also known as help, and is a source of strong fibers for clothing, paper, and rope. This fast growing plant shows promise for being a cheep source of fibers in the future. This image shows a horizontal field of view of .3mm.
    K170510stemApan1B.jpg
  • A scanning electron microscope image of the stem of a young 5-day-old cannabis (Cannabis sativa) plant stem. This image is a transverse section of the stem showing the different cell types. Cannabis is also known as help, and is a source of strong fibers for clothing, paper, and rope. This fast growing plant shows promise for being a cheep source of fibers in the future. This image shows a horizontal field of view of .2mm.
    K170512stemC027B.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
  • 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
  • An X-ray of asparagus (Asparagus officinalis). Source of folic acid, potassium, beta-carotene, C,A, and E vitamins.
    K15Xasperigus2.jpg
  • X-ray of Opium poppy (Papaver somniferum) flower. This poppy is the source of opium, a narcotic resin that contains the alkaloids morphine and codeine. These are used by the pharmaceutical industry as painkillers (analgesics). Opium can be refined to yield the illegal drug heroin.
    K15X-poppy16black.jpg
  • X-ray of Opium poppy (Papaver somniferum) flower. This poppy is the source of opium, a narcotic resin that contains the alkaloids morphine and codeine. These are used by the pharmaceutical industry as painkillers (analgesics). Opium can be refined to yield the illegal drug heroin.
    K15X-poppy16A.jpg
  • This is an antique aluminum tea pot. The x-ray shows the internal structures that allow the flow of water to extract the tea flavors on a heat source.
    K19X2019-TeaPot01D.jpg
  • A voltaic pile battery.  This type of battery was the first chemical battery and was invented by Alessandro Volta in 1791.  This battery consists of two different metals.  Here copper United States pennies manufactured before 1982 were used and the source of Zinc was zinc coated washers.  Cotton paper is placed between the coins and wetted with an acid.  In this experiment the acid used was 5% acetic acid from household vinegar. The vinegar is the electrolyte<br />
Unlike the Leyden jar, the voltaic pile produces a continuous electricity and stable current. The order of the stack is copper, zinc and then paper.  This pattern is repeated throughout the battery.
    K16ZnCubattery-45.jpg
  • A voltaic pile battery.  This type of battery was the first chemical battery and was invented by Alessandro Volta in 1791.  This battery consists of two different metals.  Here copper United States pennies manufactured before 1982 were used and the source of Zinc was zinc coated washers.  Cotton paper is placed between the coins and wetted with an acid.  In this experiment the acid used was 5% acetic acid from household vinegar. The vinegar is the electrolyte<br />
Unlike the Leyden jar, the voltaic pile produces a continuous electricity and stable current. The order of the stack is copper, zinc and then paper.  This pattern is repeated throughout the battery.
    K16ZnCubattery-36.jpg
  • A voltaic pile battery.  This type of battery was the first chemical battery and was invented by Alessandro Volta in 1791.  This battery consists of two different metals.  Here copper United States pennies manufactured before 1982 were used and the source of Zinc was zinc coated washers.  Cotton paper is placed between the coins and wetted with an acid.  In this experiment the acid used was 5% acetic acid from household vinegar. The vinegar is the electrolyte<br />
Unlike the Leyden jar, the voltaic pile produces a continuous electricity and stable current. The order of the stack is copper, zinc and then paper.  This pattern is repeated throughout the battery.
    K16ZnCubattery-16.jpg
  • An X-ray of asparagus (Asparagus officinalis). Source of folic acid, potassium, beta-carotene, C,A, and E vitamins.
    K15Xasperigus2B.jpg
  • This is an antique aluminum coffee percolator. The x-ray shows the internal structures that allow the flow of water to extract the coffee flavors and percolate on a heat source.
    K19coffee2019-JAN03full-C.jpg
  • This is an antique aluminum coffee percolator. The x-ray shows the internal structures that allow the flow of water to extract the coffee flavors and percolate on a heat source.
    K19coffee2019-203A.jpg
  • This is an antique aluminum coffee percolator. The x-ray shows the internal structures that allow the flow of water to extract the coffee flavors and percolate on a heat source. This particular design is used to make cappuccino, or a very dark coffee
    K19coffee2019-cappo01A.jpg
  • This is an antique aluminum coffee percolator. The x-ray shows the internal structures that allow the flow of water to extract the coffee flavors and percolate on a heat source.
    K19coffee2019-JANFULL04C.jpg
  • This is an antique aluminum coffee percolator. The x-ray shows the internal structures that allow the flow of water to extract the coffee flavors and percolate on a heat source.
    K19coffee2019-JanFull08C.jpg
  • This is an antique aluminum coffee percolator. The x-ray shows the internal structures that allow the flow of water to extract the coffee flavors and percolate on a heat source.
    K19coffee2019-JANFull12cup1B.jpg
  • This is an antique aluminum coffee percolator. The x-ray shows the internal structures that allow the flow of water to extract the coffee flavors and percolate on a heat source.
    K19coffee2019-wooden001B.jpg
  • The patterns in smoke are studied by illuminating the smoke with a scanning laser. The laser shows the motion in a 2D plain that is easier to study than the 3D motion. The coils represent cross section of fluid vortexes created by the convection currents from the hot smoke rising in the cool air. The source of the smoke is a stick of burning incense.
    K19Laser-Smoke6276.jpg
  • A voltaic pile battery.  This type of battery was the first chemical battery and was invented by Alessandro Volta in 1791.  This battery consists of two different metals.  Here copper United States pennies manufactured before 1982 were used and the source of Zinc was zinc coated washers.  Cotton paper is placed between the coins and wetted with an acid.  In this experiment the acid used was 5% acetic acid from household vinegar. The vinegar is the electrolyte<br />
Unlike the Leyden jar, the voltaic pile produces a continuous electricity and stable current. The order of the stack is copper, zinc and then paper.  This pattern is repeated throughout the battery.
    K16ZnCubattery-29.jpg
  • A voltaic pile battery.  This type of battery was the first chemical battery and was invented by Alessandro Volta in 1791.  This battery consists of two different metals.  Here copper United States pennies manufactured before 1982 were used and the source of Zinc was zinc coated washers.  Cotton paper is placed between the coins and wetted with an acid.  In this experiment the acid used was 5% acetic acid from household vinegar. The vinegar is the electrolyte<br />
Unlike the Leyden jar, the voltaic pile produces a continuous electricity and stable current. The order of the stack is copper, zinc and then paper.  This pattern is repeated throughout the battery.
    K16ZnCubattery-9.jpg
  • Surface of  a mature cannabis stem. The image is 6mm wide.  The different layers of the stem have been given different colors.  The layer that is several cells below the skin is the section of thick-walled fiber cells.  This highlights one potential uses of cannabis: an excellent source of fibers for paper, rope, and fabric.  The legalizing of cannabis in the United States opens research in this very profitable aspect of the plant. Field of view of this image is 2 mm.
    K13SEM-pot-canna52.jpg
  • A cross section of a mature stem.   The different layers of the stem have been given different colors.  The layer that is several cells below the skin is the section of thick-walled fiber cells.  This highlights one potential uses of cannabis: an excellent source of fibers for paper, rope, and fabric.  The legalizing of cannabis in the United States opens research in this very profitable aspect of the plant. Field of vie of this image is 1 mm.
    K13SEM-pot-canna51.jpg
  • An X-ray of asparagus (Asparagus officinalis). Source of folic acid, potassium, beta-carotene, C,A, and E vitamins.
    K15Xasperigus1.jpg
  • This is an antique aluminum coffee percolator. The x-ray shows the internal structures that allow the flow of water to extract the coffee flavors and percolate on a heat source.
    K19coffee2019-001B.jpg
  • This is an antique aluminum coffee percolator. The x-ray shows the internal structures that allow the flow of water to extract the coffee flavors and percolate on a heat source.
    K19coffee2019-009A.jpg
  • This is an antique aluminum coffee percolator. The x-ray shows the internal structures that allow the flow of water to extract the coffee flavors and percolate on a heat source.
    K19coffeepots-poster15x19blue.jpg
  • This is an antique aluminum tea pot. The x-ray shows the internal structures that allow the flow of water to extract the tea flavors on a heat source.
    K19X2019-TeaPot01A.jpg
  • The patterns in smoke are studied by illuminating the smoke with a scanning laser. The laser shows the motion in a 2D plain that is easier to study than the 3D motion. The coils represent cross section of fluid vortexes created by the convection currents from the hot smoke rising in the cool air. The source of the smoke is a stick of burning incense.
    K19Laser-Smoke6353.jpg
  • The patterns in smoke are studied by illuminating the smoke with a scanning laser. The laser shows the motion in a 2D plain that is easier to study than the 3D motion. The coils represent cross section of fluid vortexes created by the convection currents from the hot smoke rising in the cool air. The source of the smoke is a stick of burning incense.
    K19Laser-Smoke6022.jpg
  • A voltaic pile battery.  This type of battery was the first chemical battery and was invented by Alessandro Volta in 1791.  This battery consists of two different metals.  Here copper United States pennies manufactured before 1982 were used and the source of Zinc was zinc coated washers.  Cotton paper is placed between the coins and wetted with an acid.  In this experiment the acid used was 5% acetic acid from household vinegar. The vinegar is the electrolyte<br />
Unlike the Leyden jar, the voltaic pile produces a continuous electricity and stable current. The order of the stack is copper, zinc and then paper.  This pattern is repeated throughout the battery.
    K16ZnCubattery-46.jpg
  • A voltaic pile battery.  This type of battery was the first chemical battery and was invented by Alessandro Volta in 1791.  This battery consists of two different metals.  Here copper United States pennies manufactured before 1982 were used and the source of Zinc was zinc coated washers.  Cotton paper is placed between the coins and wetted with an acid.  In this experiment the acid used was 5% acetic acid from household vinegar. The vinegar is the electrolyte<br />
Unlike the Leyden jar, the voltaic pile produces a continuous electricity and stable current. The order of the stack is copper, zinc and then paper.  This pattern is repeated throughout the battery.
    K16ZnCubattery-42.jpg
  • A voltaic pile battery.  This type of battery was the first chemical battery and was invented by Alessandro Volta in 1791.  This battery consists of two different metals.  Here copper United States pennies manufactured before 1982 were used and the source of Zinc was zinc coated washers.  Cotton paper is placed between the coins and wetted with an acid.  In this experiment the acid used was 5% acetic acid from household vinegar. The vinegar is the electrolyte<br />
Unlike the Leyden jar, the voltaic pile produces a continuous electricity and stable current. The order of the stack is copper, zinc and then paper.  This pattern is repeated throughout the battery.
    K16ZnCubattery-44.jpg
  • A voltaic pile battery.  This type of battery was the first chemical battery and was invented by Alessandro Volta in 1791.  This battery consists of two different metals.  Here copper United States pennies manufactured before 1982 were used and the source of Zinc was zinc coated washers.  Cotton paper is placed between the coins and wetted with an acid.  In this experiment the acid used was 5% acetic acid from household vinegar. The vinegar is the electrolyte<br />
Unlike the Leyden jar, the voltaic pile produces a continuous electricity and stable current. The order of the stack is copper, zinc and then paper.  This pattern is repeated throughout the battery.
    K16ZnCubattery-18.jpg
  • A voltaic pile battery.  This type of battery was the first chemical battery and was invented by Alessandro Volta in 1791.  This battery consists of two different metals.  Here copper United States pennies manufactured before 1982 were used and the source of Zinc was zinc coated washers.  Cotton paper is placed between the coins and wetted with an acid.  In this experiment the acid used was 5% acetic acid from household vinegar. The vinegar is the electrolyte<br />
Unlike the Leyden jar, the voltaic pile produces a continuous electricity and stable current. The order of the stack is copper, zinc and then paper.  This pattern is repeated throughout the battery.
    K16ZnCubattery-15.jpg
  • A voltaic pile battery.  This type of battery was the first chemical battery and was invented by Alessandro Volta in 1791.  This battery consists of two different metals.  Here copper United States pennies manufactured before 1982 were used and the source of Zinc was zinc coated washers.  Cotton paper is placed between the coins and wetted with an acid.  In this experiment the acid used was 5% acetic acid from household vinegar. The vinegar is the electrolyte<br />
Unlike the Leyden jar, the voltaic pile produces a continuous electricity and stable current. The order of the stack is copper, zinc and then paper.  This pattern is repeated throughout the battery.
    K16ZnCubattery-3.jpg
  • An X-ray of asparagus (Asparagus officinalis). Source of folic acid, potassium, beta-carotene, C,A, and E vitamins.
    K15Xasperigus1B.jpg
  • An X-ray of the dried seed pods of the  Velvet Leaf  (Abutilon theophrasti).  Considered an invasive weed, the plant was first brought to north America as a source of fiber for rope.  Introduced to North America before 1750 to make rope but never became popular for that. Instead it became an agricultural pest.
    K14-seedpods2b.jpg
  • This is an antique aluminum coffee percolator. The x-ray shows the internal structures that allow the flow of water to extract the coffee flavors and percolate on a heat source.
    K19coffee2019-02BFULLB.jpg
  • This is an antique aluminum coffee percolator. The x-ray shows the internal structures that allow the flow of water to extract the coffee flavors and percolate on a heat source. This particular design is used to make cappuccino, or a very dark coffee
    K19coffee2019-cappo01D.jpg
  • This is an antique aluminum coffee percolator. The x-ray shows the internal structures that allow the flow of water to extract the coffee flavors and percolate on a heat source. This particular design is used to make cappuccino, or a very dark coffee
    K19coffee2019-JanFull06C.jpg
  • This is an antique aluminum coffee percolator. The x-ray shows the internal structures that allow the flow of water to extract the coffee flavors and percolate on a heat source.
    K19coffee2019-JANFull12cup1D.jpg
  • This is an antique aluminum coffee percolator. The x-ray shows the internal structures that allow the flow of water to extract the coffee flavors and percolate on a heat source.
    K19coffeepots-poster15x19tan.jpg
  • A voltaic pile battery is used to light an LED.  This type of battery was the first chemical battery and was invented by Alessandro Volta in 1791.  This battery consists of two different metals.  Here copper United States pennies manufactured before 1982 were used and the source of Zinc was zinc coated washers.  Cotton paper is placed between the coins and wetted with an acid.  In this experiment the acid used was 5% acetic acid from household vinegar. The vinegar is the electrolyte<br />
Unlike the Leyden jar, the voltaic pile produces a continuous electricity and stable current. The order of the stack is copper, zinc and then paper.  This pattern is repeated throughout the battery.
    K16ZnCubattery-4110.jpg
  • A voltaic pile battery.  This type of battery was the first chemical battery and was invented by Alessandro Volta in 1791.  This battery consists of two different metals.  Here copper United States pennies manufactured before 1982 were used and the source of Zinc was zinc coated washers.  Cotton paper is placed between the coins and wetted with an acid.  In this experiment the acid used was 5% acetic acid from household vinegar. The vinegar is the electrolyte<br />
Unlike the Leyden jar, the voltaic pile produces a continuous electricity and stable current. The order of the stack is copper, zinc and then paper.  This pattern is repeated throughout the battery.
    K16ZnCubattery-39.jpg
  • A voltaic pile battery.  This type of battery was the first chemical battery and was invented by Alessandro Volta in 1791.  This battery consists of two different metals.  Here copper United States pennies manufactured before 1982 were used and the source of Zinc was zinc coated washers.  Cotton paper is placed between the coins and wetted with an acid.  In this experiment the acid used was 5% acetic acid from household vinegar. The vinegar is the electrolyte<br />
Unlike the Leyden jar, the voltaic pile produces a continuous electricity and stable current. The order of the stack is copper, zinc and then paper.  This pattern is repeated throughout the battery.
    K16ZnCubattery-37.jpg
  • A voltaic pile battery.  This type of battery was the first chemical battery and was invented by Alessandro Volta in 1791.  This battery consists of two different metals.  Here copper United States pennies manufactured before 1982 were used and the source of Zinc was zinc coated washers.  Cotton paper is placed between the coins and wetted with an acid.  In this experiment the acid used was 5% acetic acid from household vinegar. The vinegar is the electrolyte<br />
Unlike the Leyden jar, the voltaic pile produces a continuous electricity and stable current. The order of the stack is copper, zinc and then paper.  This pattern is repeated throughout the battery.
    K16ZnCubattery-34.jpg
  • A voltaic pile battery.  This type of battery was the first chemical battery and was invented by Alessandro Volta in 1791.  This battery consists of two different metals.  Here copper United States pennies manufactured before 1982 were used and the source of Zinc was zinc coated washers.  Cotton paper is placed between the coins and wetted with an acid.  In this experiment the acid used was 5% acetic acid from household vinegar. The vinegar is the electrolyte<br />
Unlike the Leyden jar, the voltaic pile produces a continuous electricity and stable current. The order of the stack is copper, zinc and then paper.  This pattern is repeated throughout the battery.
    K16ZnCubattery-30.jpg
  • A voltaic pile battery.  This type of battery was the first chemical battery and was invented by Alessandro Volta in 1791.  This battery consists of two different metals.  Here copper United States pennies manufactured before 1982 were used and the source of Zinc was zinc coated washers.  Cotton paper is placed between the coins and wetted with an acid.  In this experiment the acid used was 5% acetic acid from household vinegar. The vinegar is the electrolyte<br />
Unlike the Leyden jar, the voltaic pile produces a continuous electricity and stable current. The order of the stack is copper, zinc and then paper.  This pattern is repeated throughout the battery.
    K16ZnCubattery-17.jpg
  • A voltaic pile battery.  This type of battery was the first chemical battery and was invented by Alessandro Volta in 1791.  This battery consists of two different metals.  Here copper United States pennies manufactured before 1982 were used and the source of Zinc was zinc coated washers.  Cotton paper is placed between the coins and wetted with an acid.  In this experiment the acid used was 5% acetic acid from household vinegar. The vinegar is the electrolyte<br />
Unlike the Leyden jar, the voltaic pile produces a continuous electricity and stable current. The order of the stack is copper, zinc and then paper.  This pattern is repeated throughout the battery.
    K16ZnCubattery-14.jpg
  • A voltaic pile battery.  This type of battery was the first chemical battery and was invented by Alessandro Volta in 1791.  This battery consists of two different metals.  Here copper United States pennies manufactured before 1982 were used and the source of Zinc was zinc coated washers.  Cotton paper is placed between the coins and wetted with an acid.  In this experiment the acid used was 5% acetic acid from household vinegar. The vinegar is the electrolyte<br />
Unlike the Leyden jar, the voltaic pile produces a continuous electricity and stable current. The order of the stack is copper, zinc and then paper.  This pattern is repeated throughout the battery.
    K16ZnCubattery-2.jpg
  • A voltaic pile battery.  This type of battery was the first chemical battery and was invented by Alessandro Volta in 1791.  This battery consists of two different metals.  Here copper United States pennies manufactured before 1982 were used and the source of Zinc was zinc coated washers.  Cotton paper is placed between the coins and wetted with an acid.  In this experiment the acid used was 5% acetic acid from household vinegar. The vinegar is the electrolyte<br />
Unlike the Leyden jar, the voltaic pile produces a continuous electricity and stable current. The order of the stack is copper, zinc and then paper.  This pattern is repeated throughout the battery.
    K16ZnCubattery-1.jpg
  • A cross section of a mature stem.   The different layers of the stem have been given different colors.  The layer that is several cells below the skin is the section of thick-walled fiber cells.  This highlights one potential uses of cannabis: an excellent source of fibers for paper, rope, and fabric.  The legalizing of cannabis in the United States opens research in this very profitable aspect of the plant. Field of vie of this image is 5 mm.
    K13SEM-pot-canna48.jpg
  • An X-ray of the dried seed pods of the  Velvet Leaf  (Abutilon theophrasti).  Considered an invasive weed, the plant was first brought to north America as a source of fiber for rope.  Introduced to North America before 1750 to make rope but never became popular for that. Instead it became an agricultural pest.
    K14-seedpods2.jpg
  • A voltaic pile battery.  This type of battery was the first chemical battery and was invented by Alessandro Volta in 1791.  This battery consists of two different metals.  Here copper United States pennies manufactured before 1982 were used and the source of Zinc was zinc coated washers.  Cotton paper is placed between the coins and wetted with an acid.  In this experiment the acid used was 5% acetic acid from household vinegar. The vinegar is the electrolyte<br />
Unlike the Leyden jar, the voltaic pile produces a continuous electricity and stable current. The order of the stack is copper, zinc and then paper.  This pattern is repeated throughout the battery.
    K16ZnCubattery-5.jpg
  • The patterns in smoke are studied by illuminating the smoke with a scanning laser. The laser shows the motion in a 2D plain that is easier to study than the 3D motion. The coils represent cross section of fluid vortexes created by the convection currents from the hot smoke rising in the cool air. The source of the smoke is a stick of burning incense.
    K19Laser-Smoke6174.jpg
  • A voltaic pile battery.  This type of battery was the first chemical battery and was invented by Alessandro Volta in 1791.  This battery consists of two different metals.  Here copper United States pennies manufactured before 1982 were used and the source of Zinc was zinc coated washers.  Cotton paper is placed between the coins and wetted with an acid.  In this experiment the acid used was 5% acetic acid from household vinegar. The vinegar is the electrolyte<br />
Unlike the Leyden jar, the voltaic pile produces a continuous electricity and stable current. The order of the stack is copper, zinc and then paper.  This pattern is repeated throughout the battery.
    K16ZnCubattery-47.jpg
  • A voltaic pile battery.  This type of battery was the first chemical battery and was invented by Alessandro Volta in 1791.  This battery consists of two different metals.  Here copper United States pennies manufactured before 1982 were used and the source of Zinc was zinc coated washers.  Cotton paper is placed between the coins and wetted with an acid.  In this experiment the acid used was 5% acetic acid from household vinegar. The vinegar is the electrolyte<br />
Unlike the Leyden jar, the voltaic pile produces a continuous electricity and stable current. The order of the stack is copper, zinc and then paper.  This pattern is repeated throughout the battery.
    K16ZnCubattery-35.jpg
  • A voltaic pile battery.  This type of battery was the first chemical battery and was invented by Alessandro Volta in 1791.  This battery consists of two different metals.  Here copper United States pennies manufactured before 1982 were used and the source of Zinc was zinc coated washers.  Cotton paper is placed between the coins and wetted with an acid.  In this experiment the acid used was 5% acetic acid from household vinegar. The vinegar is the electrolyte<br />
Unlike the Leyden jar, the voltaic pile produces a continuous electricity and stable current. The order of the stack is copper, zinc and then paper.  This pattern is repeated throughout the battery.
    K16ZnCubattery-11.jpg
  • A sheet of unexposed paper treated with the cyanotype chemicals. The ferns are placed on the treated paper to block UV light.  Exposure to UV light will cause the chemicals to turn blue. In this process an object is placed on the ultraviolet sensitive chemically treated paper and exposed to a strong UV light source – in this case sunlight.  The object is then removed and the print washed in cool water to remove the unreacted chemicals. Cyanotype is a photographic printing process that produces a cyan-blue print. Engineers used the process well into the 20th century as a simple and low-cost process to produce copies of drawings, referred to as blueprints. The process uses two chemicals: ammonium iron(III) citrate and potassium ferricyanide.  The English scientist and astronomer Sir John Herschel discovered the procedure in 1842.
    K14-cyanotype-5.jpg
  • This image is a combination of two images, one taken in visible light and one taken in infrared light. In the IR thermogram the temperature range goes from hot (white) to cold (blue). Thermography is a technique for visualizing the temperature of surfaces by recording the emission of long-wavelength infrared radiation. This heat radiation is detected electronically and displayed with different colors representing different temperatures.  In this image the whiter colors are the hottest.  The windows in homes are a major source of heat loss.
    K07houseD-ir-combo1.tif
  • This image is a combination of two images, one taken in visible light and one taken in infrared light. In the IR thermogram the temperature range goes from hot (white) to cold (blue). Thermography is a technique for visualizing the temperature of surfaces by recording the emission of long-wavelength infrared radiation. This heat radiation is detected electronically and displayed with different colors representing different temperatures.  In this image the whiter colors are the hottest.  The windows in homes are a major source of heat loss.
    K07houseC-ir-combo.tif
  • A thermogram of a home in winter. The temperature range goes from hot (white) to cold (blue). Thermography is a technique for visualizing the temperature of surfaces by recording the emission of long-wavelength infrared radiation. This heat radiation is detected electronically and displayed with different colors representing different temperatures.  In this image the whiter colors are the hottest.  The windows in homes are a major source of heat loss.
    K07houseC-ir02.tif
  • This image is a combination of two images, one taken in visible light and one taken in infrared light. In the IR thermogram the temperature range goes from hot (white) to cold (blue). Thermography is a technique for visualizing the temperature of surfaces by recording the emission of long-wavelength infrared radiation. This heat radiation is detected electronically and displayed with different colors representing different temperatures.  In this image the whiter colors are the hottest.  The windows in homes are a major source of heat loss.
    K07houseA-ir-combo.tif
  • A cyanotype print with the fern that cast the shadow seen in the print.  In this process an object is placed on the ultraviolet sensitive chemically treated paper and exposed to a strong UV light source – in this case sunlight.  The object is then removed and the print washed in cool water to remove the unreacted chemicals. Cyanotype is a photographic printing process that produces a cyan-blue print. Engineers used the process well into the 20th century as a simple and low-cost process to produce copies of drawings, referred to as blueprints. The process uses two chemicals: ammonium iron(III) citrate and potassium ferricyanide.  The English scientist and astronomer Sir John Herschel discovered the procedure in 1842.
    K14-cyanotype-9.jpg
  • A cyanotype print with the fern that cast the shadow seen in the print.  In this process an object is placed on the ultraviolet sensitive chemically treated paper and exposed to a strong UV light source – in this case sunlight.  The object is then removed and the print washed in cool water to remove the unreacted chemicals. Cyanotype is a photographic printing process that produces a cyan-blue print. Engineers used the process well into the 20th century as a simple and low-cost process to produce copies of drawings, referred to as blueprints. The process uses two chemicals: ammonium iron(III) citrate and potassium ferricyanide.  The English scientist and astronomer Sir John Herschel discovered the procedure in 1842.
    K14-cyanotype-2.jpg
  • A thermogram of a home in winter. The temperature range goes from hot (white) to cold (blue). Thermography is a technique for visualizing the temperature of surfaces by recording the emission of long-wavelength infrared radiation. This heat radiation is detected electronically and displayed with different colors representing different temperatures.  In this image the whiter colors are the hottest.  The windows in homes are a major source of heat loss.
    K07HouseB-IRNW.tif
  • This image is a combination of two images, one taken in visible light and one taken in infrared light. In the IR thermogram the temperature range goes from hot (white) to cold (blue). Thermography is a technique for visualizing the temperature of surfaces by recording the emission of long-wavelength infrared radiation. This heat radiation is detected electronically and displayed with different colors representing different temperatures.  In this image the whiter colors are the hottest.  The windows in homes are a major source of heat loss.
    K07houseB-ir-combo.tif
  • SEM a Monarch Butterfly Egg (Danaus plexippus). aid on the underside of a common milkweed leaf (Asclepias syriaca). The milkweed plant serves as the primary food source for monarch butterflies as well as a host for the monarch's eggs and larvae. This images was collected at 50x and represents a field of view .5mm wide.
    K08SEM-monach-egg012.jpg
  • SEM a Monarch Butterfly Egg (Danaus plexippus). aid on the underside of a common milkweed leaf (Asclepias syriaca). The milkweed plant serves as the primary food source for monarch butterflies as well as a host for the monarch's eggs and larvae. This images was collected at 50x and represents a field of view .5mm wide.
    K08SEM-monach-egg012b.jpg
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