Answers to Physics Questions

If gold is so dense, and helium is so gaseous...

How weird does it get?

It's a word you hear a lot, but what does it actually involved?

Are they the same age? How do we know?

And if so, how? Physicist Ben McAllister explains all...

And what are the advantages and disadvantages of using nuclear power?

How come you can't see faint stars when you look directly at them?

Why are they so unhappy in monogamous relationships?

Should we be worried about electromagnetic field from phone towers and smart meters?

And why does burnt toast set them off?

Time for physicist Adam to chat atoms.

How does universe expansion work?

Could there be a hidden planet?

Can gravity have a speed?

What is dark matter?

What does an air bubble in a blob of water do if you take away the gravity?

What, or when, would aliens see, if they looked at the earth?

Is everything spinning in the universe?

What does a gravitational wave feel like?

Could a black hole be a wormhole?

It was over to planetary geologist David Rothery

Aye up, duck!

How do they work?

And how to plasma balls work?