Answers to Physics Questions

Physics, cosmology, astrophysics, electricity, energy, forces, gravity, light and maths...

03 February 2008

How is oxygen made and recycled on the International Space Station?

27 January 2008

Could a plane take off on a 'treadmill' runway?

20 January 2008

Who would go faster freewheeling downhill, a fat cyclist of a thin cyclist?

13 January 2008

I’ve always wondered, when lightning hits water does it go with a splash? I’ve asked several of my professors and none...

13 January 2008

How does a boomerang work? Is it the shape or the technique that makes it come back? Would any old stick, thrown in...

06 January 2008

Why is it that headphone wires, even when put away neatly, always end up in a tangle - worse even than you could do on...