As summer rolls in, the market overflows with juicy mangoes, bananas, papayas, and other seasonal fruits. But behind this abundance lies a growing health concern—the use of calcium carbide to ...

[MacGyver] would be proud of [Hyperspace Pirate]’s rough and ready method of producing acetylene gas from seashells and driftwood. Acetylene, made by decomposing calcium carbide with water, is a ...