[Keystone Science] recently posted a video about building a theremin — you know, the instrument that makes those strange whistles when you move your hands around it. The circuit is pretty simple ...

How about building your very own sci-fi Theremin using just a soda can and ... [Will’s] gone into great detail in how each circuit works with both schematics and diagrams of the breadboard ...

The theremin is an unusual instrument. You can play it without touching it. Two antennae generate an electromagnetic field and sense the position of the player's hands. One antenna is vertical and ...