User jimjim

24 votes

3 answers

5k views

Significance of the second focus in elliptical orbits

asked Feb 7, 2011 at 1:19

14 votes

8 answers

2k views

What is the name of the principle saying it is meaningless to talk/ask questions that can not be measured/tested?

asked Jan 24, 2011 at 21:25

11 votes

1 answer

7k views

Gabriele Veneziano, strong nuclear force and beta-function

asked May 12, 2012 at 7:59

11 votes

2 answers

958 views

Will acceleration rate of expansion of space become faster than speed of light?

asked Jun 13, 2012 at 16:00

8 votes

1 answer

592 views

What properties of Germanium make it suitable for Dark Matter detectors?

asked May 25, 2011 at 22:54

8 votes

4 answers

681 views

Cases of any known fundamental physical constants changing within our locality?

asked Jun 26, 2011 at 9:18

6 votes

3 answers

11k views

What makes the magnetic field inhomogeneous in the Stern–Gerlach experiment?

asked Nov 17, 2015 at 8:39

4 votes

1 answer

378 views

Expanding Moon's orbit and newtonian mechanics

asked Jun 25, 2017 at 3:35

3 votes

1 answer

4k views

What is the acceleration due to Earth's rotational and orbital movements?

asked Jun 10, 2015 at 11:49

3 votes

2 answers

854 views

What is the current radius of cosmological event horizon?

asked Dec 26, 2012 at 2:32

3 votes

2 answers

312 views

Are there any differences between photons emited /absorbed by antimatter atoms to photon in usual atoms?

asked Jun 7, 2011 at 9:38

2 votes

1 answer

355 views

Is there some special cutoff density after which spacetime "collapses" and forms a black hole?

asked Nov 25, 2013 at 12:55

2 votes

1 answer

1k views

What happens when molten metal cools within a strong magnetic field?

asked Dec 26, 2013 at 12:39

2 votes

1 answer

2k views

How does heat transfer between two atoms in solid material?

asked Jan 26, 2012 at 1:36

2 votes

0 answers

104 views

Newtonian mechanics in higher dimensions [duplicate]

asked Nov 5, 2020 at 10:16

1 vote

2 answers

465 views

Is there anything quantum mechanical related to Fusion/Fission? (Instead of special relativity)

asked Jul 30, 2020 at 11:16

1 vote

1 answer

4k views

If 1 kg of mass is converted to energy and used to accelerate a second 1 kg mass, what would be the final velocity?

asked Aug 19, 2016 at 12:23

1 vote

1 answer

1k views

What are the known relationships between rotation of planets/moons and their distance to Sun?

asked Sep 2, 2011 at 12:23

1 vote

2 answers

19k views

Comparing scales of atomic level objects to scales of everyday size objects

asked Aug 28, 2011 at 12:17

1 vote

1 answer

160 views

If a car appears in horison and within 2 seconds passes you by, whats the speed it's doing?

asked Nov 13, 2011 at 3:19

0 votes

1 answer

3k views

What experiment would show water and ice to be the same thing without transitioning one to another?

asked Dec 4, 2011 at 9:06

0 votes

1 answer

951 views

Variations of double slit experiment with their results to look up

asked Jun 23, 2012 at 15:21

0 votes

0 answers

178 views

Where is centre of gravity on a Dyson Sphere? [duplicate]

asked Aug 5, 2016 at 9:58

0 votes

1 answer

108 views

Deceleration of vessel moving at relativistic speed carrying humans

asked Aug 22, 2016 at 11:16

0 votes

0 answers

30 views

Is this a metorite captured on film or a bird/plane etc?

asked Jan 13, 2017 at 5:00

0 votes

1 answer

385 views

Passage of time on Moebius strip/Klein bottle/higher dimensional equivalents

asked Apr 10, 2017 at 9:05

0 votes

2 answers

71 views

What are the analogues of momentum, inertia and angular momentum for energy?

asked Oct 23, 2019 at 2:30

0 votes

1 answer

37 views

Non-visible Fraunhofer lines

asked Jun 1, 2021 at 23:47

-1 votes

2 answers

229 views

Non Classical mechanic answer to : length of time a thrown object spends in rest before falling down? [closed]

asked Jan 19, 2011 at 20:39

Stack Exchange Network

29 Questions

Significance of the second focus in elliptical orbits

What is the name of the principle saying it is meaningless to talk/ask questions that can not be measured/tested?

Gabriele Veneziano, strong nuclear force and beta-function

Will acceleration rate of expansion of space become faster than speed of light?

What properties of Germanium make it suitable for Dark Matter detectors?

Cases of any known fundamental physical constants changing within our locality?

What makes the magnetic field inhomogeneous in the Stern–Gerlach experiment?

Expanding Moon's orbit and newtonian mechanics

What is the acceleration due to Earth's rotational and orbital movements?

What is the current radius of cosmological event horizon?

Are there any differences between photons emited /absorbed by antimatter atoms to photon in usual atoms?

Is there some special cutoff density after which spacetime "collapses" and forms a black hole?

What happens when molten metal cools within a strong magnetic field?

How does heat transfer between two atoms in solid material?

Newtonian mechanics in higher dimensions [duplicate]

Is there anything quantum mechanical related to Fusion/Fission? (Instead of special relativity)

If 1 kg of mass is converted to energy and used to accelerate a second 1 kg mass, what would be the final velocity?

What are the known relationships between rotation of planets/moons and their distance to Sun?

Comparing scales of atomic level objects to scales of everyday size objects

If a car appears in horison and within 2 seconds passes you by, whats the speed it's doing?

What experiment would show water and ice to be the same thing without transitioning one to another?

Variations of double slit experiment with their results to look up

Where is centre of gravity on a Dyson Sphere? [duplicate]

Deceleration of vessel moving at relativistic speed carrying humans

Is this a metorite captured on film or a bird/plane etc?

Passage of time on Moebius strip/Klein bottle/higher dimensional equivalents

What are the analogues of momentum, inertia and angular momentum for energy?

Non-visible Fraunhofer lines

Non Classical mechanic answer to : length of time a thrown object spends in rest before falling down? [closed]