Is it possible to create noise-cancelling headphones, but for an apartment?
Answers to Physics Questions
Physics, cosmology, astrophysics, electricity, energy, forces, gravity, light and maths...
16 October 2005
I'm in contention with someone at work, who is saying something that I don't believe is true. He maintains...
16 October 2005
When you let the water out of the bath, why does the water spiral down the plug hole?
16 October 2005
You said earlier that you would weigh 13 tonnes if you lived on Jupiter. Would your bones be able to withstand that, or...
02 October 2005
When mix two colours of paint together, say red and green, you get brown. But if you mix red and green light together,...
02 October 2005
There's a rhyme that goes 'Red sky at night, shepherd's delight. Red sky at morning, shepherd's...
31 October 2004
How long will it be before our current Big Bang theory is out of date?
17 October 2004
why it is that you sometimes see two rainbows in the sky?
10 October 2004
I'd like to know why the sky is blue normally, but red at sunset?
10 October 2004
If your eyes respond to light, then how can you see black?
21 March 2003
Why do my Dog's Eyes Shine When I Point a Light at Him?
18 March 2003
How do we know the big bang happened if there was no-one there to see it?
07 July 2002
Why can birds sit on a power line and not be electrocuted?