Learn how to build a hand-crank phone charger at home using simple electronics components like repurposed DC motors, magnets, ...

Advanced battery. Image courtesy of Enovix. The next great advancement in battery tech has come from semiconductor experts. A small cadre of chip experts, some working together since the ‘80s, made a ...

We don’t normally think of batteries as being natural, but the parts that make them originally got their start in nature! In this activity you will build a battery using potatoes, lemons, and metal ...