Plasma pinches: From pursuits of nuclear fusion to an attractive point source of accelerated protons for proton radiography.

Gravity, the force that attracts objects toward each other, is currently framed by Albert Einstein's theory of general ...

Newton's Second Law states that force equals mass times acceleration. This can be investigated using a set-up like this one. You can use this set-up to investigate how changing two separate factors, ...

It's impossible to talk about football these days without talking about the problem of big hits. The giant dramatic collisions between players moving at high speed are at once one of the great ...