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  • Fluorescent Coral in Long Wave UV light. A close up image of Favia sp. Coral. This species of coral glows brightly when illuminated in long wave ultra-violet (UV) light.  Favia is a genus of reef building stony corals in the family Faviidae.  This image is part of a series showing the identical specimen in white light and UV light.
    K12UVcorals042.JPG
  • An image of Pectinia species coral in Long wave UV Light showing green Fluorescence.  This species of coral will glow brightly when illuminated in ultra-violet(UV) light.  Each head of coral is formed by a colony of genetically identical polyps which secrete a hard skeleton of calcium carbonate; this makes them important coral reef builders. It is thought the glow may attract symbiotic algae, or protect the coral from the intense ultraviolet light of the Sun in shallow water. This image is part of a series showing the identical specimen in white light and UV light.
    K12UVcorals012.JPG
  • Fluorescent Coral in Short Wave UV light. A close up image of Favia sp. Coral. This species of coral glows brightly when illuminated in short wave ultra-violet (UV) light.  Favia is a genus of reef building stony corals in the family Faviidae.  This image is part of a series showing the identical specimen in white light and UV light.
    K12UVcorals043.JPG
  • An image of Acanthastrea lordhowensis coral in white light.  This species of coral will glow brightly when illuminated in ultra-violet(UV) light.  Each head of coral is formed by a colony of genetically identical polyps which secrete a hard skeleton of calcium carbonate; this makes them important coral reef builders. It is thought the glow may attract symbiotic algae, or protect the coral from the intense ultraviolet light of the Sun in shallow water. This image is part of a series showing the identical specimen in white light and UV light.
    K12UVcorals008.JPG
  • An image of Favites pentagona coral in Long wave UV Light showing green and orange Fluorescence.  This species of coral will glow brightly when illuminated in ultra-violet(UV) light.  Each head of coral is formed by a colony of genetically identical polyps which secrete a hard skeleton of calcium carbonate; this makes them important coral reef builders. It is thought the glow may attract symbiotic algae, or protect the coral from the intense ultraviolet light of the Sun in shallow water. This image is part of a series showing the identical specimen in white light and UV light.
    K12UVcorals006.JPG
  • An image of Caulastrea Curata coral in long wave UV light.  This species of coral will glow brightly when illuminated in ultra-violet(UV) light.  It is thought the glow may attract symbiotic algae, or protect the coral from the intense ultraviolet light of the Sun in shallow water. This image is part of a series showing the identical specimen in white light and UV light.
    K12UVcorals039.JPG
  • An image of Cycloseris erosa coral in Long wave UV Light showing green Fluorescence.  This species of coral will glow brightly when illuminated in ultra-violet(UV) light.  Corals in the genus Cycloseris are mostly solitary and free living, some attaining 10 centimetres in diameter. The discs are either round or oval and the central mouth, which is surrounded by tentacles, may be a slit. The polyp sits in a calcareous cup, the corallite, and only extends its tentacles to feed at night. It is thought the glow may attract symbiotic algae, or protect the coral from the intense ultraviolet light of the Sun in shallow water. This image is part of a series showing the identical specimen in white light and UV light.
    K12UVcorals036.JPG
  • An image of Cycloseris erosa coral in Long wave UV Light showing green Fluorescence.  This species of coral will glow brightly when illuminated in ultra-violet(UV) light.  Corals in the genus Cycloseris are mostly solitary and free living, some attaining 10 centimetres in diameter. The discs are either round or oval and the central mouth, which is surrounded by tentacles, may be a slit. The polyp sits in a calcareous cup, the corallite, and only extends its tentacles to feed at night. It is thought the glow may attract symbiotic algae, or protect the coral from the intense ultraviolet light of the Sun in shallow water. This image is part of a series showing the identical specimen in white light and UV light.
    K12UVcorals034.JPG
  • An image of Cycloseris erosa coral in Short wave UV Light showing green Fluorescence.  This species of coral will glow brightly when illuminated in ultra-violet(UV) light.  Corals in the genus Cycloseris are mostly solitary and free living, some attaining 10 centimetres in diameter. The discs are either round or oval and the central mouth, which is surrounded by tentacles, may be a slit. The polyp sits in a calcareous cup, the corallite, and only extends its tentacles to feed at night. It is thought the glow may attract symbiotic algae, or protect the coral from the intense ultraviolet light of the Sun in shallow water. This image is part of a series showing the identical specimen in white light and UV light.
    K12UVcorals033.JPG
  • An image of Acanthastrea lordhowensis coral in Long wave UV Light showing orange Fluorescence.  This species of coral will glow brightly when illuminated in ultra-violet(UV) light.  Each head of coral is formed by a colony of genetically identical polyps which secrete a hard skeleton of calcium carbonate; this makes them important coral reef builders. It is thought the glow may attract symbiotic algae, or protect the coral from the intense ultraviolet light of the Sun in shallow water. This image is part of a series showing the identical specimen in white light and UV light..
    K12UVcorals007.JPG
  • Fluorescent Coral in White Light. An image of Pectinia species coral in white light. This species of coral will grow brightly when illuminated in ultra-violet(UV) light.  Each head of coral is formed by a colony of genetically identical polyps which secrete a hard skeleton of calcium carbonate; this makes them important coral reef builders. This image is part of a series showing the identical specimen in white light and UV light..
    K12UVcorals001.jpg
  • An image of Caulastrea Curata coral in white light.  This species of coral will glow brightly when illuminated in ultra-violet(UV) light.  It is thought the glow may attract symbiotic algae, or protect the coral from the intense ultraviolet light of the Sun in shallow water. This image is part of a series showing the identical specimen in white light and UV light.
    K12UVcorals040.JPG
  • An image of Cycloseris erosa coral in white Light showing green Fluorescence.  This species of coral will glow brightly when illuminated in ultra-violet(UV) light.  Corals in the genus Cycloseris are mostly solitary and free living, some attaining 10 centimetres in diameter. The discs are either round or oval and the central mouth, which is surrounded by tentacles, may be a slit. The polyp sits in a calcareous cup, the corallite, and only extends its tentacles to feed at night. It is thought the glow may attract symbiotic algae, or protect the coral from the intense ultraviolet light of the Sun in shallow water. This image is part of a series showing the identical specimen in white light and UV light.
    K12UVcorals037.JPG
  • An image of Stichodactyla taptum anemone in short wave UV Light showing Fluorescence.  This species of anemone will glow brightly when illuminated in ultra-violet(UV) light.  It is thought the glow may protect the anemone from the intense ultraviolet light of the Sun in shallow water. This image is part of a series showing the identical specimen in white light and UV light.
    K12UVcorals030.JPG
  • An image of Stichodactyla taptum anemone in long wave UV Light showing Fluorescence.  This species of anemone will glow brightly when illuminated in ultra-violet(UV) light.  It is thought the glow may protect the anemone from the intense ultraviolet light of the Sun in shallow water. This image is part of a series showing the identical specimen in white light and UV light.
    K12UVcorals029.JPG
  • An image of Stichodactyla taptum anemone in short wave UV Light showing Fluorescence.  This species of anemone will glow brightly when illuminated in ultra-violet(UV) light.  It is thought the glow may protect the anemone from the intense ultraviolet light of the Sun in shallow water. This image is part of a series showing the identical specimen in white light and UV light.
    K12UVcorals024.JPG
  • Fluorescent Coral in White and UV Light. An image of Pectinia species coral in white light. This species of coral will grow brightly when illuminated in ultra-violet(UV) light.  Each head of coral is formed by a colony of genetically identical polyps which secrete a hard skeleton of calcium carbonate; this makes them important coral reef builders. This image is part of a series showing the identical specimen in white light and UV light..
    K12UVcorals011.JPG
  • Fluorescent Coral in White Light. An image of Pectinia species coral in white light. This species of coral will grow brightly when illuminated in ultra-violet(UV) light.  Each head of coral is formed by a colony of genetically identical polyps which secrete a hard skeleton of calcium carbonate; this makes them important coral reef builders. This image is part of a series showing the identical specimen in white light and UV light..
    K12UVcorals010.JPG
  • An image of Acanthastrea lordhowensis coral in white light.  This species of coral will glow brightly when illuminated in ultra-violet(UV) light.  Each head of coral is formed by a colony of genetically identical polyps which secrete a hard skeleton of calcium carbonate; this makes them important coral reef builders. It is thought the glow may attract symbiotic algae, or protect the coral from the intense ultraviolet light of the Sun in shallow water. This image is part of a series showing the identical specimen in white light and UV light.
    K12UVcorals009.JPG
  • An image of Favites pentagona coral in white Light.  This species of coral will glow brightly when illuminated in ultra-violet(UV) light.  Each head of coral is formed by a colony of genetically identical polyps which secrete a hard skeleton of calcium carbonate; this makes them important coral reef builders. It is thought the glow may attract symbiotic algae, or protect the coral from the intense ultraviolet light of the Sun in shallow water. This image is part of a series showing the identical specimen in white light and UV light.
    K12UVcorals005.JPG
  • An image of Scolymia australis coral white Light.  This species of coral will glow brightly when illuminated in ultra-violet(UV) light.  Each head of coral is formed by a colony of genetically identical polyps which secrete a hard skeleton of calcium carbonate; this makes them important coral reef builders. It is thought the glow may attract symbiotic algae, or protect the coral from the intense ultraviolet light of the Sun in shallow water. This image is part of a series showing the identical specimen in white light and UV light.
    K12UVcorals004.JPG
  • Fluorescent Coral in White Light. An image of Pectinia species coral in white light. This species of coral will grow brightly when illuminated in ultra-violet(UV) light.  Each head of coral is formed by a colony of genetically identical polyps which secrete a hard skeleton of calcium carbonate; this makes them important coral reef builders. This image is part of a series showing the identical specimen in white light and UV light..
    K12UVcorals003.JPG
  • An image of Cycloseris erosa coral in white Light showing green Fluorescence.  This species of coral will glow brightly when illuminated in ultra-violet(UV) light.  Corals in the genus Cycloseris are mostly solitary and free living, some attaining 10 centimetres in diameter. The discs are either round or oval and the central mouth, which is surrounded by tentacles, may be a slit. The polyp sits in a calcareous cup, the corallite, and only extends its tentacles to feed at night. It is thought the glow may attract symbiotic algae, or protect the coral from the intense ultraviolet light of the Sun in shallow water. This image is part of a series showing the identical specimen in white light and UV light.
    K12UVcorals032.JPG
  • An image of Stichodactyla taptum anemone in unfiltered UV Light showing Fluorescence.  In this image there is a large amout of blue light that is so bright is it difficult to see the florescent tissues.  This iis what a diver would see with out the blue blocking filter.  This species of anemone will glow brightly when illuminated in ultra-violet(UV) light.  It is thought the glow may protect the anemone from the intense ultraviolet light of the Sun in shallow water. This image is part of a series showing the identical specimen in white light and UV light.
    K12UVcorals027.JPG
  • Fluorescent Coral in white light. A close up image of Favia sp. Coral. This species of coral glows brightly when illuminated in ultra-violet (UV) light.  Favia is a genus of reef building stony corals in the family Faviidae.  This image is part of a series showing the identical specimen in white light and UV light.
    K12UVcorals041.JPG
  • An image of Stichodactyla taptum anemone in white Light showing Fluorescence.  This species of anemone will glow brightly when illuminated in ultra-violet(UV) light.  It is thought the glow may protect the anemone from the intense ultraviolet light of the Sun in shallow water. This image is part of a series showing the identical specimen in white light and UV light.
    K12UVcorals031.JPG
  • An image of Pectinia species coral in Long wave UV Light showing green Fluorescence.  This species of coral will glow brightly when illuminated in ultra-violet(UV) light.  Each head of coral is formed by a colony of genetically identical polyps which secrete a hard skeleton of calcium carbonate; this makes them important coral reef builders. This image is part of a series showing the identical specimen in white light and UV light.
    K12UVcorals002.jpg
  • Hornblende crystals, polarized light micrograph. This mineral contains calcium, sodium, magnesium, iron and aluminum in a silicate matrix. It is a member of the amphibole group of minerals, and it is found in igneous and metamorphic rocks. The area here is less than half a centimeter wide.
    K17-Hornblende01.jpg
  • The water flea (Daphnia magna) is commonly found in fresh water. Water fleas are filter feeders that ingest algae, protozoan, or organic matter. The dark spots inside the animal are eggs. This image was created using the Rheinberg illumination technique.
    daphnia-B00039_8x10.jpg
  • Kiwano fruits (Cucumis metuliferus).  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_4519.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
  • Kiwano fruits (Cucumis metuliferus).  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_4505.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
  • Kiwi fruit, (Actinidia deliciosa). 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_4472.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
  • Flint corn (Zea mays indurata) commonly known as Indian corn is the same species but a variant of maize.  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_4529.jpg
  • Kiwi fruit, (Actinidia deliciosa). 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_4469.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
  • A seed pod of the thorn apple (Datura stramonium). 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_4400.jpg
  • A Black walnut fruit (Juglans nigra). 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_4393.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
  • 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 white light. 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-C_3543white.jpg
  • Daffodil flower as seen in white light. 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-D_3537white.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
  • “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
  • Kiwano fruits (Cucumis metuliferus).  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_4517.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
  • 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_4530.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
  • 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
  • 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-B_3551UVVF.jpg
  • Daffodil flower as seen in white light. 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-A_3554white.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
  • 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 browning banana. 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_4446.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
  • A browning banana. 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_4440.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 white light to compare it with the shortwave ultraviolet light (UV) image in this series. This image is part of a series
    K20-UVIVF_4525.jpg
  • Kiwi fruit, (Actinidia deliciosa). 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_4466.jpg
  • Daffodil flower as seen in white light. 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-B_3550UVVF.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
  • This is a demonstration of a ball rolling down an incline, slowing down, and then speeding back to where it started.  The ball is rolling from left to right in this image.  The analysis of this demo requires the use of the  kinetic energy, potential energy, rolling energy, and friction.   The  ball is 2.5 cm in diameter. The flash illuminates the scene at 40 hz showing images every  .025 seconds of time.
    K12-coaster8298.jpg
  • This is a demonstration of a ball rolling up an incline, slowing down, and then speeding up as it rolls down the opposite side.  The ball is rolling from left to right in this image.  The analysis of this demo requires the use of the  kinetic energy, potential energy, rolling energy, and friction.   The  ball is 2.5 cm in diameter. The flash illuminates the scene at 40 hz showing images every  .025 seconds of time.
    K12-coaster8263.jpg
  • This is a demonstration of a ball rolling up an incline, slowing down, and then speeding up as it rolls down the opposite side.  The ball is rolling from left to right in this image.  The analysis of this demo requires the use of the  kinetic energy, potential energy, rolling energy, and friction.   The  ball is 2.5 cm in diameter. The flash illuminates the scene at 40 hz showing images every  .025 seconds of time.
    K12-coaster8207blue.jpg
  • .This is a demonstration of a ball rolling down an incline and making the loop-the-loop path.  The velocity required to make the loop is called the critical velocity.   The analysis of this demo requires the use of the centripetal force, kinetic energy, potential energy, rolling energy, and friction.  This is also an example of a critical velocity.  The loop is 19.5 cm in diameter and the ball is 2.5 cm in diameter. The flash illuminates the scene at 40 hz showing images every  .025 seconds of time. .
    K12-full-loop8115red.jpg
  • .This is a demonstration of a ball rolling down an incline. The analysis of this demo requires the use of the  kinetic energy, potential energy, rolling energy, and friction.   The  ball is 2.5 cm in diameter. The flash illuminates the scene at 40 hz showing images every  .025 seconds of time. .
    K12-full-lAccel8115red.jpg
  • .This is a demonstration of a ball rolling down an incline. The analysis of this demo requires the use of the  kinetic energy, potential energy, rolling energy, and friction.   The  ball is 2.5 cm in diameter. The flash illuminates the scene at 40 hz showing images every  .025 seconds of time. .
    K12-full-lAccel8115blue.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
  • This is a demonstration of a ball rolling up an incline, slowing down, and then speeding up as it rolls down the opposite side.  The ball is rolling from left to right in this image.  The analysis of this demo requires the use of the  kinetic energy, potential energy, rolling energy, and friction.   The  ball is 2.5 cm in diameter. The flash illuminates the scene at 40 hz showing images every  .025 seconds of time.
    K12-coaster8207.jpg
  • .This is a demonstration of a ball rolling down an incline and almost making the loop-the-loop path.  The ball does not have enough velocity to make the loop.  The velocity required to make the loop is called the critical velocity, and this show a situation where the ball leaves the surface of the track, or the normal force from the track on the ball is zero.  The analysis of this demo requires the use of the centripetal force, kinetic energy, potential energy, rolling energy, and friction.  This is also an example of a sub critical velocity.  The loop is 19.5 cm in diameter and the ball is 2.5 cm in diameter. The flash illuminates the scene at 40 hz showing images every  .025 seconds of time. .
    K12-looploop8096white.jpg
  • .This is a demonstration of a ball rolling down an incline and making the loop-the-loop path.  The velocity required to make the loop is called the critical velocity.   The analysis of this demo requires the use of the centripetal force, kinetic energy, potential energy, rolling energy, and friction.  This is also an example of a critical velocity.  The loop is 19.5 cm in diameter and the ball is 2.5 cm in diameter. The flash illuminates the scene at 40 hz showing images every  .025 seconds of time. .
    K12-full-loop8115white.jpg
  • .This is a demonstration of a ball rolling down an incline and almost making the loop-the-loop path.  The ball does not have enough velocity to make the loop.  The velocity required to make the loop is called the critical velocity, and this show a situation where the ball leaves the surface of the track, or the normal force from the track on the ball is zero.  The analysis of this demo requires the use of the centripetal force, kinetic energy, potential energy, rolling energy, and friction.  This is also an example of a sub critical velocity.  The loop is 19.5 cm in diameter and the ball is 2.5 cm in diameter. The flash illuminates the scene at 40 hz showing images every  .025 seconds of time. .
    K12-looploop8096.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
  • This is a demonstration of a ball rolling up an incline, slowing down, and then speeding up as it rolls down the opposite side.  The ball is rolling from left to right in this image.  The analysis of this demo requires the use of the  kinetic energy, potential energy, rolling energy, and friction.   The  ball is 2.5 cm in diameter. The flash illuminates the scene at 40 hz showing images every  .025 seconds of time.
    K12-coaster8207red.jpg
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Ted Kinsman

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