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  • A series of four images showing different amounts of forces. The force generated by a punch is visualized by using polarized light to show the stress generated in ballistic gel.
    K17karate-quad.jpg
  • The force generated by a headbutt blow is visualized by using polarized light to show the stress generated in ballistic gel.  A headbutt (French coup de tête) is a targeted strike with the head, typically (when intentional) involving the use of robust parts of the headbutter's cranium as the area of impact.
    K17karate-7.jpg
  • The force generated by a knuckle punch is visualized by using polarized light to show the stress generated in ballistic gel.
    K17karate-4.jpg
  • The force generated by a karate punch is visualized by using polarized light to show the stress generated in ballistic gel.
    K17karate-15.jpg
  • The force generated by a punch is visualized by using polarized light to show the stress generated in ballistic gel.
    K17karate-1A.jpg
  • The force generated by a karate punch is visualized by using polarized light to show the stress generated in ballistic gel.
    K17karate-10A.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 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
  • .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 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
  • A physical reaction where candy mint mentos are dropped into diet soda.  The sugar coatings on the mints acts like a perfect nucleation site for the dissolved carbon dioxide in the soda to turn into bubbles.  The result is the majority of the carbon dioxide changes from liquid to gas form in just a few seconds.  This sudden change of phase causes a plume of soda to be ejected from the bottle at great force causing the soda to make a fountain two meters high.
    K07HSmentos025.jpg
  • A child experimnets with dropping mentos mints into diet soda.  A physical reaction where candy mint mentos are dropped into diet soda.  The sugar coatings on the mints acts like a perfect nucleation site for the dissolved carbon dioxide in the soda to turn into bubbles.  The result is the majority of the carbon dioxide changes from liquid to gas form in just a few seconds.  This sudden change of phase causes a plume of soda to be ejected from the bottle at great force causing the soda to make a fountain two meters high.
    K07HSmentos027.jpg
  • A ring magnet is used to test magnetic fields. This image is part of a series.
    magnetic-NN-liquid-crystal_0146.jpg
  • A ring magnet is used to test magnetic fields. This image is part of a series.
    magnetic-liquid-crystal_0131.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. 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
  • Iron fillings showing the magnetic field of two ring magnets. The magnetic field induces magnetism in each of the filings, which then line up in the field. Although the field is actually continuous, interactions between the filings cause them to accumulate in thin arcing lines.This image is part of a seris.
    magnetic-iron-fields_0129.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
  • A ring magnet is used to test magnetic fields. This image is part of a series.
    magnetic-liquid-crystal_0129.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
  • A stroboscopic image of a hammer striking a nail into wood.
    K09hammer4266.jpg
  • Polarized light is used to show the stress created by a C clamp on a sheet of plate glass.<br />
 The polarized light exhibits birefringence in stressed glass.  This technique is often used in industrial applications to determine internal stress in transparent models.
    K17Pol-glass4576.jpg
  • Polarized light is used to show the stress created by a C clamp on a sheet of plate glass.<br />
 The polarized light exhibits birefringence in stressed glass.  This technique is often used in industrial applications to determine internal stress in transparent models.
    K17Pol-glass4566.jpg
  • A black belt karate expert brakes a wooden board with his bare hand..The image was photographed using high speed flash to freeze the motion taking place in 1/15,000th of a second. .
    karate_9324.jpg
  • Polarized light is used to show the stress created by a C clamp on a sheet of plate glass.<br />
 The polarized light exhibits birefringence in stressed glass.  This technique is often used in industrial applications to determine internal stress in transparent models.
    K17Pol-glass4612.jpg
  • Polarized light is used to show the stress created by a C clamp on a sheet of plate glass.<br />
 The polarized light exhibits birefringence in stressed glass.  This technique is often used in industrial applications to determine internal stress in transparent models.
    K17Pol-glass4568.jpg
  • Polarized light is used to show the stress created by a C clamp on a sheet of plate glass.<br />
 The polarized light exhibits birefringence in stressed glass.  This technique is often used in industrial applications to determine internal stress in transparent models.
    K17Pol-glass4574.jpg
  • An apple and a feather are released at the same time.  The feather that is falling in a vacuum chamber falls at the same rate as the apple in the air.  The feather and the apple have metal pins in them that are attracted to the strong magnets in the release mechanism that can be seen at the top of the image.  The flash is triggered at 1/20th of a second interval.  The apple and feather do accelerate at the same rate..The vacuum pressure was 30 microns.
    K12-gravity-apple004.JPG
  • An apple and a feather are released at the same time.  The feather that is falling in a vacuum chamber falls at the same rate as the apple in the air.  The feather and the apple have metal pins in them that are attracted to the strong magnets in the release mechanism that can be seen at the top of the image.  The flash is triggered at 1/20th of a second interval.  The apple and feather do accelerate at the same rate..The vacuum pressure was 30 microns.
    K12-gravity-apple001.JPG
  • A mallet is used to smash a green apple.
    K09malletsmash5595.jpg
  • Polarized light is used to show the stress created by a C clamp on a sheet of plate glass.<br />
 The polarized light exhibits birefringence in stressed glass.  This technique is often used in industrial applications to determine internal stress in transparent models.
    K17Pol-glass4603.jpg
  • A stroboscopic image of a hammer striking a nail into wood.
    K09hammer4403.jpg
  • A black belt karate expert brakes a wooden board with his bare hand.  The image was photographed using high speed flash to freeze the motion taking place in 1/15,000th of a second. ..
    karate_9535sm.jpg
  • A Tennis Ball hitting a Racket .  Note the deformation of both the tennis ball and the tennis racket.  The ball has a velocity of approximately 20 meters per second in this image.  This image was photographed using high speed flash to freeze the motion taking place in 1/15,000th of a second.
    tennis8526.jpg
  • A ball bounces on a spring.  A special stroboscopic camera records the motion.  The record of the motion can be analyzed to show both the timing and range of the motion.  This type of image is very important in the science of biomechanics.
    spring8081.jpg
  • A mallet is used to smash an apple.
    K09malletsmash5614.jpg
  • A Tennis Ball hitting a Racket .  Note the deformation of both the tennis ball and the tennis racket.  The ball has a velocity of approximately 20 meters per second in this image.  This image was photographed using high speed flash to freeze the motion taking place in 1/15,000th of a second.
    tennis8527.jpg
  • A stroboscopic image of a hammer striking a nail into wood.
    K09hammer4388.jpg
  • The toe hairs on a gecko's foot pads. Scanning electron micrograph (SEM) of hairs, or setae, from a gecko's (family Gekkonidae) toe. These hairs enable the gecko to cling to smooth surfaces by taking advantage of weak intermolecular forces, known as Van der Waals forces.
    K08semgeckofoot6col.jpg
  • The toe hairs on a gecko's foot pads. Scanning electron micrograph (SEM) of hairs, or setae, from a gecko's (family Gekkonidae) toe. These hairs enable the gecko to cling to smooth surfaces by taking advantage of weak intermolecular forces, known as Van der Waals forces.
    K08SEMgeckofoot9B.jpg
  • The toe hairs on a gecko's foot pads. Scanning electron micrograph (SEM) of hairs, or setae, from a gecko's (family Gekkonidae) toe. These hairs enable the gecko to cling to smooth surfaces by taking advantage of weak intermolecular forces, known as Van der Waals forces.
    K08semgeckofootb1A.jpg
  • As an individual piece of spaghetti is broken, the spaghetti fractures into several pieces that fly off..The exact  reason that compressive and tension forces cause the spaghetti to break in this is currently under study.   Spaghetti breaks in the same way as smokestacks break when they fall during demolition.  This breaking patter is often called the “smokestack problem”  The motion was captured with a 1/20,000th of a second flash, while the room lights were responsible for the blur in the photograph..
    K11-Spaghetti001.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
  • 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
  • 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
  • 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
  • The inside of a magnetron removed from a microwave oven.  The magnetron is a device that creates microwave radiation. A magnetron consists of an electron tube surrounded by a magnet. As electrons are released from the heated cathode they are forced to take a spiral path to the anode by the magnetic field, creating microwaves. This magnetron creates a microwave radiation that is the same frequency as a water molecule vibrates.  When water is exposed to just the right frequency, the water molecules will gain kinetic energy and become hotter.
    K11-magnetron7111.jpg
  • An x-ray shows the inner parts of a coffee pot percolator.   The coffee is placed in the top of the device and boiling water is forced up the central pipe to flow over the coffee.  Percolated coffee has an extremely high concentration of caffeine.
    K08X-coffeepotB.jpg
  • The inside of a magnetron removed from a microwave oven.  The magnetron is a device that creates microwave radiation. A magnetron consists of an electron tube surrounded by a magnet. As electrons are released from the heated cathode they are forced to take a spiral path to the anode by the magnetic field, creating microwaves. This magnetron creates a microwave radiation that is the same frequency as a water molecule vibrates.  When water is exposed to just the right frequency, the water molecules will gain kinetic energy and become hotter.
    K11-magnetron7101.jpg
  • An x-ray shows the inner parts of a coffee pot percolator.   The coffee is placed in the top of the device and boiling water is forced up the central pipe to flow over the coffee.  Percolated coffee has an extremely high concentration of caffeine.
    K08X-coffeepot.jpg
  • An x-ray shows the inner parts of a coffee pot percolator.   The coffee is placed in the top of the device and boiling water is forced up the central pipe to flow over the coffee.  Percolated coffee has an extremely high concentration of caffeine.
    K08X-coffeepotC.jpg
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Ted Kinsman

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