
Foucault's Pendulum
Supposedly this is a Foucault’s Pendulum. It’s free-rotating and only turns based on the rotation of the earth. I had hard time believing this is true. How is it free-rotating independently of the earth? It’s still connected to the earth and therefore moves along with it — just like you do. Geek out here.

Tesla Coil
Nikola Tesla wanted to use these to transmit electricity. Not practical but much more amusing than what we do. Read more.

Another View

This is what I look like -- in infrared.












