[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 ...

Calcium carbide is created by heating a lime and carbon mixture in an arc furnace to a temperature of between 3,632 to 3,812 degrees. Calcium carbonate is a fairly hard substance that reacts violently ...

Robots that can navigate different types of terrain could help scientists collect information in hard-to-reach places. That navigation can be tricky, however. For example, launching a robot from the ...

The first factory for the Guy’s Dropper, one of the most popular miners’ lamps ever made, was a back porch on Douglas Avenue. The Guy’s Dropper was a carbide lamp, which uses a mix of water and ...