Build a Steampunk Sonic Screwdriver

steampunk sonic screwdriver

In the British Sci-fi series Doctor Who, the time traveling Doctor often uses his sonic screwdriver to rescue his companions and save the day. Now you can build your own version that lights up and emits actual sonic vibrations from a high revolution motor cut out of a dollar store... Read more »

Convert Some Pinball Score Reels into a Clock

pinball clock featured image

Solenoids (a type of electromagnet) are at the heart of pinball machines, and at one time, many other machines. They work by inducing a magnetic field using a coil of copper wire. This makes them ideal for pushing or pulling mechanical things fast and with force. They have become unnecessary... Read more »