mavii

Discover the fascinating world of static electricity through simple balloon experiments. You'll learn how static charges build up through friction, how they attract or repel objects, and see everyday examples of static electricity in action.

And urine — lots and lots of urine. Looking into these early electrical experiments and recreating them is the unlikely space [Sam Gallagher] has staked out with the “Experimental History of ...

these toothbrushes can make brushing more fun. Whether it is an interactive option like the Philips Sonicare for Kids or the unusually shaped AutoBrush Sonic Pro, a child-friendly electric ...