[Mike] saw a few videos of ultrasonic acoustic levitation rigs put together by student researchers. Figuring it couldn’t be that hard to replicate, he set out and built his own using surplus parts and ...

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 ...