“It would hang down like a semi-flush mount or provide a pendant-like look, but the light is shining up on the ceiling.” It ...

Quantum dots can cool themselves by turning low energy light into higher-energy photons, which are radiated away. The idea, ...

This is for a table light, if you want to make a ceiling light do the opposite. Now roll your hoops along the edge of the plastic lining all the way to the end of your lining. Start rolling from ...