Articles for tag: physics in space, space engineering, Space Science, vacuum physics

a space station in the middle of the night

What Happens When Two Metals Touch Each Other In Space

Suhail Ahmed

  On Earth, when two pieces of metal touch, almost nothing happens that you can see. In space, the same simple act can quietly weld satellites together, jam moving parts, and even threaten billion‑dollar missions. This hidden phenomenon, called cold welding, reveals just how much our lives depend on something we rarely think about: Earth’s ...