AUTOGENOUS welding consists in uniting metals by fusion without the intervention of solder. Ordinary welds may be effected by heating in a forge, but the local application of heat by an electric ...

Having spent more than 35 years teaching the agricultural fraternity to weld, Derbyshire farmer Richard Archer knows a thing or to about joining bits of metal together. His welding career started in ...

If generations of Hollywood heist films have taught us anything, it’s that knocking off a bank vault is pretty easy. It usually starts with a guy and a stethoscope, but that never works, so the bad ...

If generations of Hollywood heist films have taught us anything, it’s that knocking off a bank vault is pretty easy. It usually starts with a guy and a stethoscope, but that never works, so the bad ...

Does one tool work best in every application? A hammer can pound any nail in the house, but a pneumatic nail gun gets the roof shingled faster. For the HVACR technician, the right tool for soldering ...

If you enjoyed this article, I’d like to ask for your support. Scientific American has served as an advocate for science and industry for 180 years, and right now may be the most critical moment in ...