Physics

Questions and Answers

How much liquid nitrogen is needed to convert a temperature from 5000°C to 0°C?

Questions and Answers

Do a hammer blow and a push (in this issue) propagate equally quickly?

Questions and Answers

If Work = Force x Displacement, how come you still have to do work (use energy) if you want to keep a weight at...

Questions and Answers

Can the laws of nature change?

Questions and Answers

Where do the bubbles in boiling water come from?

Questions and Answers

Does 1 kg weigh as much as 1 liter of water?

Questions and Answers

Can high-energy neutrinos collide with other particles?

Questions and Answers

Does a 20 m rail track expand as much as a 500 m rail?