Answers to Physics Questions

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

21 February 2017

Would a mirror lightyears away in space show us our planet's ancient history?

07 February 2017

How do we get back to earth from the moon?

07 February 2017

What's the difference between a US and a UK billion?

07 February 2017

Why don't lightning strikes on the ocean kill marine life?

07 February 2017

Seeing as Earth is just right for life, does that make hunting for ET futile?

07 February 2017

If pi just keeps going, how do we keep finding more numbers?

07 February 2017

Can we make gravity by spinning a spaceship?

06 February 2017

Is a spacewalk really a big deal?

06 February 2017

If you started counting when you were born, what number would reach before you died?

31 January 2017

Why don't compasses point to East or West?

17 January 2017

What would have happened if Neil Armstrong had taken one giant leak for mankind?

10 January 2017

...and where does the sky end?

10 January 2017

Normally, when stuff collides, things fly apart from each other. So how did planets form in the first place?

10 January 2017

If sheets rubbing together can cause static, could this start a fire?

10 January 2017

Seats are weighty, but would it make much of a saving?

10 January 2017

Theoretically, there many be many universes but why do we think this?

10 January 2017

Soaps come in a variety of colours yet the bubbles are always white. Why?