MetMo Cube https://www.physicsfunshop.com/search?keywords=metmo Art from precision metalworking technology- a wire EDM (electrical discharge machine) can cut out two ovals from a 0.5 kg cube of solid stainless steel, and leave a gap of less than 0.05mm around the cutouts! The EDM process, sometimes called spark machining, removes material from the work piece by a series of rapid current pulses, that when bathed in dielectric liquid creates electric arcs that “vaporize” a precise bit of metal wit

15K views · 37 reactions | Trap Light Inside a Concrete Cube! Thanks for watching! Please be aware that this video is for entertainment purposes only and techniques shown should not be attempted at home! | Awesome | Facebook