Answers to Physics Questions

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

Wellington boots in water

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Medicine | Physics

Why do my Wellies feel heavier in water?

02 October 2018

Why does wearing wellies result in feeling pressure in a puddle, when going barefoot...

Physics | Space

Why are there two high tides each day?

25 January 2012

Did the universe expand faster than light?

25 January 2012

Are the laws of physics the same everywhere?

25 January 2012

When looking in a mirror why does left become right?

08 January 2012

Could a lead barrier protect us from the solar wind?

08 January 2012

Would a siphon work in free fall?

08 January 2012

Biology | Physics

What's the difference between MRI and fMRI?

08 January 2012

Biology | Chemistry | Physics

Is any new water being formed on our planet?

08 January 2012

Earth Science | Physics

Why do we see green flashes during sunset?

08 January 2012

Physics | Space

Can a star form outside a galaxy?

08 January 2012

Medicine | Physics

Why do colours look different under a sodium streetlight?

08 January 2012

Why do glasses worn backwards still work?

08 January 2012

How quickly can force propagate?

08 January 2012

Why don't we see rainbows under street lights?

08 January 2012

Chemistry | Physics

Why does metal cause pain when touching a metal tooth filling?

18 December 2011

Chemistry | Earth Science | Physics

Are candles bad for the environment?

18 December 2011

Medicine | Physics

Why does a spray of hot water from the shower feel cold on my skin?

18 December 2011

Biology | Physics

What colour is a dead chameleon?

18 December 2011

Why does the rainbow sometimes seem to end?

18 December 2011

Why can't a snuffed candle be re-ignited?

18 December 2011

Physics | Space

How strong a cable could be used to stop the moon moving away from Earth?

18 December 2011

How do you analyse data without presupposition?

13 December 2011

Medicine | Physics

QotW - What makes your blood run cold?

04 December 2011

Engineering | Physics | Technology

How do waterproof arc welding electrodes work?

04 December 2011

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