Messing around with this virtual theremin is completely addicting

If you've ever wanted to try messing around with a theremin, there's a virtual one you can try out online or on your phone, aptly called Theremin.

Theremins are strange early electronic instruments that typically look like a box with a metal rod sticking up out of it and another bent rod sticking out the side. You don't touch theremins; instead, theremin players wave their hands around both rods, which sense the relative position of their hands. One rod controls the volume and the other rod controls the pitch.

Here's a popular example of someone playing a theremin: Read more...