Answers to Physics Questions

If water freezes at zero, we get frost at three degrees C?

Why is it that car front windscreens appear more prone to icing than the sides and the rear? This is even when the car...

为什么27度空气感觉怎么样hot but water of the same temperature feels cold?

Mirrors reflect visible light. But how effective are they at reflecting other electromagnetic waves like x-rays and...

Is it dangerous to live 500 metres away from a mobile phone mast?

如果你能从北极到t钻一个洞he South Pole, and it was big enough to drop a stone through, would...

We can successfully insulate against heat, and against light, and against sound. Is it possible, do you think, that we...

I'm right in thinking that matter cannot be destroyed. So is it such that everything that has been created in...

The big bang theory... what went bang?

On last week's show you were talking about polonium 210 being difficult to obtain but in fact anyone can buy it...

What happens if you fire a two bullets from an aircraft moving at 1000mph? One is fired forwards at 1000mph and the...

If space has a curvature and is expanding outwards, how long before it goes around in a circle and kicks us up the...

Sometimes when I put my beer (330mL glass bottle) in the deep freeze to rapidly chill it, I can take it out and it...

Why is it that bubbles are always round?

Is it really possible to drive a car onto a moving trailer like Knight Rider did?

Where does the microwave background radiation come from, how was it made and why is it still around?

Is it true that sound travels further in cold weather than in warm weather and how does this work?

Why is it that when you're in a car and going past a bunch of other parked cars all in a long row, you hear a...

We all know that when we open our eyes under water we see blurry images. I believe that this is because water has a...

What are magnets made out of and how are they made?

Take a helium balloon and hold it on a piece of string inside a car. Watch what happens to the balloon when the car...

I was curious about the scaremongering we're hearing about the ice caps melting and flooding everywhere. I thought...

If we lose gravity, what will happen? Will everything fly up in the air?