Quote:
Originally Posted by Lee Stewart
On Earth, you need heat to fuse metal, but in space, two pieces of the same kind of metal will fuse together with only a little pressure. The process is called cold welding, and it happens because of the lack of atmosphere. |
If that is so, couldn't one accomplish the same thing by putting the two pieces in a vacuum chamber, removing all the air, and pressing the two pieces of metal together? Has that been tried? Or am I showing my ignorance here?