A Japanese organization believes one child's unwanted toy could help save another child's treasure -- and teach both a valuable lesson. Second Life Toys takes children's old toys that are falling ...

What is old can be new again, in the right hands and under the right feet. For example, the pipe organ. With origins in ancient Greece, it is associated today mostly with church music and horror films ...

This circuit produces a tone according to the button being pressed. Only 1 button can be pressed at a time, that’s why it is called a monophonic organ. You can change the 1k resistors to produce a ...