In this video I make an ancient pigment only found in the finest Japanese calligraphy ink, which doubles as one of the rarest ...

A firework's breaks may also contain sound charges, which result in the cracking bangs and thunderous booms that thrill audiences. To make these loud explosions, which are usually accompanied by a ...

Because the static electricity in synthetic clothing can create sparks capable of detonating fireworks, those who make shells must stick to wearing cotton—all the way down to their underwear.