Our Clear Sphere Radiometer, also known as a light windmill, demonstrates a scientific theory: converting light into energy. Crafted of hand-blown glass and metal in Germany, this radiometer will spin 2,000 revolutions per minute in warm light, such as sunlight and well-lit rooms. It will not spin using fluorescent lights. For all the science buffs on your gift list, this radiometer is truly one of a kind.
• Clear Sphere Radiometer • Converts light into energy • Crafted of hand-blown glass and metal in Germany • Will spin 2,000 revolutions per minute in warm light • Does not spin in florescent lighting • Ideal gift for science buffs
Size 7"H x 2-1/2" dia.
Your Recently Viewed Items and Featured Recommendations
Customers Who Bought This Item Also Bought...
Hi there ______,
A little bird told us ______ would be thrilled to find this under the Christmas tree (wink wink).
~ Just a tip from your Wind & Weather elves
No purchase necessary - just enter your email address for a chance to win, now through June 30, 2015. View Details