Learn how to calculate electric current and potential in two connected wires! This guide walks you through the physics behind series and parallel circuits, helping you understand voltage drops and ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. Imagine if your computer could run on electricity that flows forever ...

Use one of the services below to sign in to PBS: You've just tried to add this video to My List. But first, we need you to sign in to PBS using one of the services below. You've just tried to add this ...