Recent questions in Theoretical Physics

+287 votes

0 answers

Can U-238 be used in nuclear fission, and if so, how could it theoretically be done? Are there any examples that have already done what this question is asking?

asked Jan 12, 2023 in Theoretical Physics by Dunaldo70

+327 votes

0 answers

What are the implications of humanity understanding all there is to know about physics and the nature of reality at its deepest level, as in quantum mechanics or string theory etc.?

asked Jan 12, 2023 in Theoretical Physics by Charles

+14 votes

0 answers

If the universe isn't infinite, how big is it? I heard that if the universe isn't infinite, then it's at least 250 billion times bigger than the observable universe. How was this estimation made? How do scientists know what the size should be?

asked Jan 12, 2023 in Theoretical Physics by MysticHarmony

+269 votes

0 answers

What should I study specially in QFT (or more generally in mathematics/physics) for being able to create a quantum gravity theory or a theory of everything?

asked Jan 12, 2023 in Theoretical Physics by NebulaMystic

+138 votes

0 answers

What would happen if one particle in an entangled pair travels to another Galaxy? Would it still be entangled with its other half back on Earth?

asked Jan 12, 2023 in Theoretical Physics by P4rky

+72 votes

0 answers

What is the reason for physics becoming less scientific and more theoretical?

asked Jan 12, 2023 in Theoretical Physics by ZephyrShade

+14 votes

0 answers

Do all particles have a unique gravitational signature? If so, how can this be detected? If not, why not?

asked Jan 12, 2023 in Theoretical Physics by DIYMAN2023

+24 votes

0 answers

Can I do physics research from home?

asked Jan 12, 2023 in Theoretical Physics by Robert Sparkes

+26 votes

0 answers

What is the difference between entangled particles and twins?

asked Jan 12, 2023 in Theoretical Physics by SolarisTwilight (2.2k points)

+74 votes

0 answers

Can massless particles exist without something having no mass at all to make them up?

asked Jan 12, 2023 in Theoretical Physics by Codpiece

+15 votes

0 answers

What is the exact location and velocity of a subatomic particle, such as an electron, at any given moment, without influencing its behavior or altering the fundamental principles of quantum mechanics?

asked Jan 12, 2023 in Theoretical Physics by funinthebathroom

+25 votes

0 answers

Are humans 3D or 4D?

asked Jan 12, 2023 in Theoretical Physics by barmpotpainting

+40 votes

0 answers

How can subatomic particles touch each other if they have no size?

asked Jan 11, 2023 in Theoretical Physics by Raul B

+51 votes

0 answers

What is the action integral for a free particle in QFT (quantum field theory)?

asked Jan 11, 2023 in Theoretical Physics by ecm

+25 votes

0 answers

The more trials you perform in an experiment, the closer the experimental probability will be to the theoretical probability. Is this true or false?

asked Jan 11, 2023 in Theoretical Physics by SeraphicFlare

+5 votes

0 answers

What capabilities would a 7th dimensional being have?

asked Jan 11, 2023 in Theoretical Physics by VCG Construction

+1 vote

0 answers

How do I calculate the binding energy of an electron in a hydrogen atom using an uncertainty principle?

asked Jan 11, 2023 in Theoretical Physics by toby moss

+21 votes

0 answers

Can you name some unanswered questions in theoretical physics?

asked Jan 11, 2023 in Theoretical Physics by NovaOracle (3.4k points)

+225 votes

0 answers

How difficult is it to study theoretical condensed-matter physics at the graduate level, compared to nuclear or high-energy particle physics?

asked Jan 11, 2023 in Theoretical Physics by tecnolugo

+21 votes

0 answers

What are the advantages of many-worlds theory over string theory?

asked Jan 11, 2023 in Theoretical Physics by Matt J

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Recent questions in Theoretical Physics

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