fun fact: if 2 pieces of the same type of metal touch in space, they will be welded forever because there are no molecules of air to separate them

>>22892674 (OP)
based gleg

you can also do friction welding in-atmosphere
it's kinda like the bant fagbag but for metals

Unlike almost all other substances water expands when it becomes a solid, resulting in ice floating on its liquid form. This is due to the bonds its molecules make as it cools, creating a complex lattice when solidifying.