We thought that making things levitate in mid-air by the power of sound was a little bit more like magic, or at least required fancy equipment. It turns out that you can do it yourself easily enough ...

Everyone knows that ultrasonic cleaners are great, but not every device that’s marketed as an ultrasonic cleaner is necessarily such a device. In a recent video on the Cheap & Cheerful YouTube channel ...

I needed a simple mist maker/humidifier for a project that I was working on. I found lots of ideas on the internet, but they all lacked in one area or another, so I decided to design one. The ...