The Video-blog of Thomas Kim shows how to create a homemade device that can crack any personal computer. The blogger calls this device “USB killer" and tells, that he used flashes of a photo camera, batteries, and other parts to create that USB device, reports the Lenta.

When connecting to a computer, "the USB transmits a high voltage to the motherboard. Since in most computers the USB port is not protected from voltage fluctuations, it comes out of order very soon.

Kim illustrated the process of creating and destroying a computer on YouTube. Such USB killers are sold for $49. According to the product description, the device is designed to test the USB port.