resistors, how they work

Georg Simon Ohm.  He thought up one of the most important tools used by electricians all around the world, The resistor. In a schematic the resister is a zigzaged line. The resistor blocks out a certain amount of electricity letting the remaini...

fabric switches

Yesterday we built fabric switches by first cutting out the shape we wanted the switch to be. Then we cut out two pieces of foil with legs sticking out and we cut a hole in the middle of a piece of fabric and we glued it all together so when you presse...