Recent questions in Physics

+19 votes

0 answers

Why do dentists always say to brush your teeth in a circular motion?

asked Jan 13, 2022 in Physics by Anthony55555

+21 votes

0 answers

Must time be relative? If temperature has absolute zero, shouldn't time and other variables have a possible absolute measure, such as the speed of light in a vacuum?

asked Jan 13, 2022 in Physics by carly1979

+312 votes

0 answers

How much force can an object go through glass without breaking it?

asked Jan 13, 2022 in Physics by NebulaAlchemy

+7 votes

0 answers

What is the weight of an atom of dark matter in comparison to a normal atom?

asked Jan 13, 2022 in Physics by Derek Hawthorne

+981 votes

0 answers

If the Schrodinger 'wave function' is not part of the physical world, why should a particle physicist believe it?

asked Jan 12, 2022 in Physics by Twobarrows&asprog

+6 votes

0 answers

What are magnetic monopoles and could they be the missing piece in our understanding of cosmology?

asked Jan 12, 2022 in Physics by CrystalScribe

+322 votes

0 answers

When Hydrogen-1 absorbs a neutron and becomes Deuterium(H-2) is energy released? Is this an exothermic reaction due to the binding of the extra neutron? Is the absorption of neutrons by coolant in a nuclear reactor a source of heat gain?

asked Jan 12, 2022 in Physics by NovaSeeker

+12 votes

0 answers

Is it true that "no one really understands quantum mechanics"?

asked Jan 12, 2022 in Physics by Sjr120

+298 votes

0 answers

What is the coldest place on Earth?

asked Jan 12, 2022 in Physics by VP2512

+13 votes

0 answers

If the fluid flows through the pipe of area, a1=a2=a3,what is the relation of velocity?

asked Jan 12, 2022 in Physics by SolarisScribe

+9 votes

0 answers

Is the total energy of the universe zero?

asked Jan 12, 2022 in Physics by GRH

+26 votes

0 answers

If every observer has their own unique universe, is it possible for there to be a universe without dark energy and/or vacuum energy?

asked Jan 12, 2022 in Physics by John Allan

+21 votes

0 answers

Is there a simple formula to estimating the effects of relativity on future space travel?

asked Jan 12, 2022 in Physics by AlexJ

+23 votes

0 answers

How can you measure distances between two stationary points on Earth?

asked Jan 12, 2022 in Physics by SeraphicHarmony

+23 votes

0 answers

How can there be something outside the universe?

asked Jan 12, 2022 in Physics by Rebecca Nash

+13 votes

0 answers

Why is the conservative field independent of the path followed?

asked Jan 12, 2022 in Physics by Rich54

+27 votes

0 answers

Which form of energy does our food contain?

asked Jan 12, 2022 in Physics by Chris101

+153 votes

0 answers

How many directions exist in three-dimensional space? Do these include up/down from Earth’s surface? Why or why not?

asked Jan 12, 2022 in Physics by RadiantDreamer

+168 votes

0 answers

What paths do light waves travel in?

asked Jan 12, 2022 in Physics by SeraphicAlchemy (2.2k points)

+320 votes

0 answers

What is the difference between reflection and refraction? Why does light reflect from a flat surface but not go in?

asked Jan 11, 2022 in Physics by mlawson

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