Radiometer

Radiometer
Product Code: 01800
Availability: In Stock
Price: $29.90
Ex Tax: $29.90
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The vanes, or wings, in the Radiometer are alternately dark and light in color.  When the light strikes these wings, it transfers heat to each one – but not t the same degree. The lighter wing reflects the rays, and the dark wing absorbs the rays.  Now, when the freely moving particles of air inside the radiometer strike the light-colored reflective vanes, they take on very little energy and do not bounce off very fact.  However, when the atoms strike the dark vanes, they “kick” away at terrific speed.  Result: the vane begins to spin and continues to spin as the bits of air continue to “kick” away from the dark-sided vane.  Naturally, the stronger the light, the more energy there is to “heat up” the dark side of the wing … causing the vanes to spin faster and faster as the light gets brighter.

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Description

The vanes, or wings, in the Radiometer are alternately dark and light in color.  When the light strikes these wings, it transfers heat to each one – but not t the same degree. The lighter wing reflects the rays, and the dark wing absorbs the rays.  Now, when the freely moving particles of air inside the radiometer strike the light-colored reflective vanes, they take on very little energy and do not bounce off very fact.  However, when the atoms strike the dark vanes, they “kick” away at terrific speed.  Result: the vane begins to spin and continues to spin as the bits of air continue to “kick” away from the dark-sided vane.  Naturally, the stronger the light, the more energy there is to “heat up” the dark side of the wing … causing the vanes to spin faster and faster as the light gets brighter.

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