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 ...

One of the key engineering requirements in several applications is the control of friction. Under low pressures, films on metals lost due to friction or other effects are not replaced. Consequently, ...

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