View cart “(7D30.50) Cosmic Ray Chamber” has been added to your cart.
(8B10.50) Sunspots
$0.00
A light bulb on a variac is turned up to visible glow and placed on an overhead projector that is turned off. When the overhead is turned on, the filament appears as a dark spot.
(8B10.50) Sunspots
$0.00
A light bulb on a variac is turned up to visible glow and placed on an overhead projector that is turned off. When the overhead is turned on, the filament appears as a dark spot.
Related Products
(7C10.10) Chain Reaction with Speakers
Add to cart(8B40.30) Fabric of Spacetime
Add to cart(7A10.10) Photoelectric Effect
Add to cart(7A55.20) Double Slit
Add to cart