Answers to Physics Questions

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

13 June 2017

What’s the smallest particle we can detect, and how small is it?

13 June 2017

Jupiter is referred to as a gas giant, does this mean it is gas all the whole way through, and you could fly through it?

13 June 2017

Cosmology and symmetry go hand in hand. If there are black holes, are there such things as white holes as well?

23 May 2017

When on the moon, astronauts have many things to contend with, not least temperature and space debris.

23 May 2017

How do waterproof coats work? And how does that differ from water resistance?

23 May 2017

What are the stats for accidents involving space crafts? How does landing compare to launch in terms of safety?

23 May 2017

I've heard that muscles can waste in space because of decreased gravity. Does that mean astronauts return to Earth...

23 May 2017

How much energy is in moonlight, and could solar panel technology be used to capture this energy?

23 May 2017

I know there have been many missions to the moon and it's incredible to think humans have walked on its surface!...

25 April 2017

Izzie Clarke has been investigating this colourful conundrum from David.

11 April 2017

Is it real or just a special effect in movies and cartoons?

04 April 2017

If the sun was to disappear instantly, would the gravitational effect on the Earth be instant? In other words, the...

04 April 2017

If we incorporate Einstein's laws of relative, shouldn't the Universe's age change depending on where...

04 April 2017

Is the Universe endlessly repeating itself? Is the Universe endlessly repeating itself?

04 April 2017

If fragments of Mars have landed on Earth, could the reverse be true?

04 April 2017

If we had a telescope powerful enough to see all the way back to the Big Bang, what direction should we point it?

14 March 2017

When should you replace your bulbs: as they break or as soon as possible?

07 March 2017

What's the minimum number of photons our eye can detect?

07 March 2017

At what altitude above the Earth is zero gravity experienced?

07 March 2017

What will the Event Horizon Telescope see?

07 March 2017

If I jumped just before the elevator hit the ground would it mitigate the effects on my body?

07 March 2017

What's so special about the size of the Earth that makes life more likely?