Touch Lights?

Question

Okay so I bought this touch light a while back. All you do is touch it and it turns on. There is no off button or switch. How does it work? And it only works if a person touches it. Like if you tap it with like a pen or something it dosnt turn on. How do touch lights work?

Answer 1

Here's a pretty informative link that should answer your question:

http://science.howstuffworks.com/questio...