Here is a fascinating find for future techies: a video about how various light bulbs work. Because it begins with the incandescent bulb, it covers a bit of history of the light bulbs. It concisely and creatively describes how halogen...

How do you get the most light out of a light bulb? That's the task Max Planck took on, and it turned out to be rather...enlightening! The illustrated video introduces physics scholars to Planck's plight, which ultimately changed our...

This animated essay from "American Experience" explains the difference between alternating and direct electric current and offers in-depth explanations about the role played by a battery, light bulb, wire, and generator. [2:27]

Take a look at these videos to see what happens when lamps are connected to each other.

How will energy efficiency standards affect light bulb design?