How to Turn Burning Gas Into a Lamp Without Blowing Yourself Up

If you were a coal miner in the early 1800s, the light you used was an openflame oil lamp—even though mines were sometimes filled with "fire-damp," a volatile mixiture of air and methane gas. Explosions were inevitable, and at times, threw bodies from mine shafts like grapeshot from a cannon. Humphry Davy became a… » 5/30/13 12:01pm 5/30/13 12:01pm