Posted in Misc Hacks Tagged lego, lego technic, ultrasonic, ultrasonic cleaning, Vinyl Record ← 3D Printing Without Support Material Thanks To An Additional Axis RGB Glasses Built From PCBs → ...

An ultrasonic knife is a blade that vibrates a tiny amount at a high frequency, giving the knife edge minor superpowers. It gets used much like any other blade, but it becomes far easier to cut thr… ...