1. P

    Nail to create more stronger attachment

    We can create more stronger substance by nail. Metal nail looks like weak than itself with 100 percent two metal together. But nail create more stronger attachment between two metals.
  2. T

    anything stronger than a magnet?

    Hi, is there anything stronger than a magnet at repelling itself? Or is there anyway to have a really strong electromagnet. I'm trying to develop something that repels itself but its force is too weak for use. I'm looking for some way to either boost this repelling force or looking for some...