Recent questions and answers

+34 votes

0 answers

Looking at the sky, can you comprehend the size of the universe?

answered May 26, 2023 in Astrophysics by Tangoman

+212 votes

0 answers

Are sound waves subject to time dilation?

answered May 26, 2023 in Sound Waves by TempestScribe

+15 votes

0 answers

What if I say that space is a void and the universe is the sum total of all the objects in space put together and gravity is simply a pull exerted by massive objects?

answered May 26, 2023 in The Universe by Whitling2k

+9 votes

0 answers

Do all dogs sound the same when they bark, or do different breeds sound different?

answered May 26, 2023 in Sound by titchy69

+9 votes

0 answers

What is the angular acceleration of an object that is accelerated from rest to 20,000 rotation per minute in five minutes?

answered May 26, 2023 in Physics by Shane Hagan

+9 votes

0 answers

How does the quantum description of reality give rise to the world we perceive?

answered May 26, 2023 in Quantum Information by Seismic gunner

+19 votes

0 answers

What is the importance of amplitude in waves (physics)? What happens if we don't know its value?

answered May 26, 2023 in Amplitude by Luke3

+182 votes

0 answers

Is 24 degrees Celsius hot?

answered May 26, 2023 in Thermodynamics by CelestialCharm

+313 votes

0 answers

Is it possible to travel through time without changing the future?

answered May 26, 2023 in Time physics by QuantumHarmony

+8 votes

0 answers

The Lagrange of a charge particle moving in an electromagnetic field is given by L=1/2mv^2+q (V.A-phi). How do I derive an expression for the Hamiltonian and the corresponding Hamiltonian equation?

answered May 26, 2023 in Physics by CrystalScribe

+18 votes

0 answers

My sister keeps hearing a vibrating noise that no one else hears. What is going on?

answered May 26, 2023 in Sound by jbw2022

0 votes

0 answers

A car is travelling at 54 km per hour. If brakes are applied to produce retardation of 5 metres per second squared, can you find the time taken by it to stop?

answered May 26, 2023 in Physics by lpl

+13 votes

0 answers

Can we detect gravitational waves with our current technology? If not, what exactly will be required for us to detect them?

answered May 26, 2023 in Waves physics by Chris Curwen

+7 votes

0 answers

When one body collides with another body, a sound is produced. Where does that sound come from exactly? Did it come from the first article, or from the second, or both?

answered May 26, 2023 in Sound by Walker

+326 votes

0 answers

Why is Richard Feynman such a prodigy among the physics community and even to the outside community, even though there were physicists like Dirac?

answered May 26, 2023 in Theoretical Physics by Alex08

+120 votes

0 answers

Are quantum computers supercomputers?

answered May 26, 2023 in Quantum Information by Cheburashka

+6 votes

0 answers

How did quantum computers work before they actually existed?

answered May 26, 2023 in Quantum Computing by spongebob squarepant

+1 vote

0 answers

Are intelligent design and creationism scientific theories?

answered May 26, 2023 in Science by Omniscient Polymath

+3 votes

0 answers

Can one study astronomy or cosmology by studying in humanities?

answered May 26, 2023 in Astronomy by X (3.0k points)

+156 votes

0 answers

Can quantum fields exist in classical spacetime?

answered May 26, 2023 in Quantum Field Theory by metal mickey

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