Why does metal stick together in space? Scientists explain cold welding

Push two metal plates together on Earth and nothing happens. Take those same plates into the vacuum of space and they can ...
Aviation Week

ISS To Test Cold Welding For Spacecraft Repair

Cold welding is a technique for joining two metals by pushing them together using high pressure. Credit: ISS National Laboratory A SpaceX Dragon cargo ship delivered a cold welding experiment to the ...
Gizmodo

NASA Wants to Bring Welding Back to Space After 50 Years—This Time With Lasers

Instead of relying on fasteners to keep structures together in space, astronauts may need to use lasers to weld on the lunar surface. Reading time 3 minutes As space agencies look to establish human ...
IFLScience

Something Very Weird Happens To Metal In Space

Alfredo has a PhD in Astrophysics and a Master's in Quantum Fields and Fundamental Forces from Imperial College London. Alfredo has a PhD in Astrophysics and a Master's in Quantum Fields and ...