This week on MinutePhysics, we get a guest lecturer - Neil Turok from the CBC's Massey Lectures - who brings us a discussion of how Planck discovered quantum mechanics when trying to figure out how to maximize the energy from a light bulb.
There's also some mention of sharing cookies, but that may make you hungry - hungry for physics!
So, this means the orange light bulb that I got for my porch light for Halloween isn't as efficient as the white bulb? Hmmm....
Keith Shaw rounds up the best in geek video in his ITworld.tv blog. Follow Keith on Twitter at @shawkeith. For the latest IT news, analysis and how-tos, follow ITworld on Twitter, Facebook, and Google+.