Scientists from York University in Toronto are using alcohol as a method for sending text messages. How, exactly? By converting sprays of isopropyl alcohol into binary code, using off-the-shelf ...

When summer hits, things can get a little sticky. We’re not talking about your hands after eating a juicy piece of watermelon, either: We’re talking about your back, neck and legs while putting in ...

I made this project because I wanted a way to automatically control the speed of a DC fan according to the temperature read by a LM35 sensor. I had a few problems with the PWM part mainly because the ...