by Cathy Murphy Have you ever made lightning in a pickle? I have. It involves putting two iron nails in a pickle and applying 110 volts of electricity. It’s pretty smelly, but it is worth …
electricity
How Many AA Batteries Would it Take to Power a Mercedes?
by Miriam Krause edited by Mike Schwartz If you’re like me, you probably have a drawer full of AA batteries at home somewhere, just in case you need them. They’re not as ubiquitous as they …
Explainer: How does an LED work?
by Kurt Jacobson An acronym you have probably seen a whole lot of in recent years is LED, or Light Emitting Diode. Long used only for low-intensity illumination (think of the blinking lights on the …
Friday Video: Gravity vs Nano!
by Lee Bishop Inside the nano zone, gravity doesn’t really matter!