Explore how a basic LED can be used as a tiny solar cell, generating measurable voltage under sunlight. This hands-on ...

Check out the latest stories, videos, and podcasts from the week of Dec. 8, 2025. During research for a newly opening museum ...

How a Finnish physicist named Karl Lemström once became obsessed with recreating the aurora borealis from scratch – and may ...

Learn how to make a simple hand-cranked power generator from scratch using basic materials like DC motors, a wooden base, an ...

An hourglass tells you what it is in the name — a glass that you use to measure an hour of time passing by. [EDISON SCIENCE ...