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Crookes Radiometer

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Crookes Radiometer

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Observe the power of the Sun. 16cm tall. glass with metal vanes.

How it works:
• When placed in direct sunlight, the metal vanes will rotate inside the glass vacuum.
• The vanes are silver on one side and black on the other.
• When exposed to light, the black sides will heat up faster than the silver sides, causing a small current of air.
• The more intense the sunlight, the faster the vanes will spin.
• No power supply is required, other than the sun. See the science behind thermodynamics in action!

  • Item Dimensions (no pckg) & weight: 80 × 140mm @0.07kg
  • Item Dimensions (in pckg) & weight: 128 × 128 × 195 @0.17kg
  • Item Made from: High borosilicate glass and metal
  • Packaging Type: Colour gift box
Release date NZ
September 1st, 2017
Box Dimensions (mm)
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