Recent questions in Physics

+4 votes

0 answers

Why does the magnetic field between two magnets (the North Pole of one and the South Pole of the other) decrease as they move apart?

asked Mar 19, 2023 in Physics by SharonLondon

+629 votes

0 answers

How close are we to a working fusion reactor?

asked Mar 19, 2023 in Physics by jimbobby

+2 votes

0 answers

Can stars be seen in the infrared or ultraviolet spectrum?

asked Mar 19, 2023 in Physics by andbass

+22 votes

0 answers

What are electron paramagnetic resonance systems?

asked Mar 19, 2023 in Physics by CrystalCharm

+19 votes

0 answers

What is an instrument that helps us to detect and measure the amount of electromagnetic radiation in a particular frequency range?

asked Mar 19, 2023 in Physics by Rocker

+18 votes

0 answers

How would you add two forces perpendicular to each other?

asked Mar 19, 2023 in Physics by Hurttt

+150 votes

0 answers

Is there proof of spiritual energy?

asked Mar 19, 2023 in Physics by RadiantAlchemy

+117 votes

0 answers

Would it be useful in the study of photons to have an internally facetted Mobius loop made of diamond?

asked Mar 19, 2023 in Physics by 234george234george

+12 votes

0 answers

What is the force that opposes gravity and prevents objects from collapsing on themselves?

asked Mar 19, 2023 in Physics by WillyEckerslike

+181 votes

0 answers

Due to relativistic effects, planets can revolve around a star (Mercury) in an open orbit. What do those orbits look like in the extremely strong gravitational field of a large black hole?

asked Mar 19, 2023 in Physics by Insignia Kitchens

+107 votes

0 answers

How fast would an object 1m off the ground have to move in order to achieve orbit above Earth? And how long would its orbit take?

asked Mar 19, 2023 in Physics by Sagi (2.9k points)

+2 votes

0 answers

How much heat energy is required to change a 0.3kg ice cube from a solid at -20°C to steam at 129°C?

asked Mar 19, 2023 in Physics by evolutionkindle

+315 votes

0 answers

What will happen if there were no friction in the universe?

asked Mar 19, 2023 in Physics by assuretrace

+21 votes

0 answers

How does particle physics explain fundamental forces?

asked Mar 19, 2023 in Physics by EmberFlare

+237 votes

0 answers

How can one make a torch light using the body's heat energy?

asked Mar 19, 2023 in Physics by KEITHY

+130 votes

0 answers

Why doesn't the Earth spin faster so that everything flies off?

asked Mar 18, 2023 in Physics by jimmy86

+19 votes

0 answers

Newton said time and space are absolute, Einstein said time and space are relative, Maxwell said light can travel at only one speed. Which is true?

asked Mar 18, 2023 in Physics by The Ex-Kitchen Fitte

+7 votes

0 answers

What are extra dimensions? Do we need them to unify gravity and quantum theory?

asked Mar 18, 2023 in Physics by ______

+77 votes

0 answers

How do you find the spring constant from a graph?

asked Mar 18, 2023 in Physics by sub7even75 (3.3k points)

+93 votes

0 answers

If someone were to travel through another dimension, could they theoretically change their past? Or do all realities exist at once somewhere out there?

asked Mar 18, 2023 in Physics by ZephyrTwilight

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