The Tesla coil is a high-frequency resonant transformer circuit capable of generating high-voltage, low-current electricity. This fascinating invention, attributed to Nikola Tesla, is often used for ...

Celebrate the Year of the Snake with new gameplay footage of Phantom Blade Zero showing off a brand-new boss fight, weapons, and more for players to experience with the full release.

One major factor determining the cost of an everyday carry knife is its blade material. This is in part because metallurgy — the science of producing and purifying metals — is complicated. The ...