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110554
Magnetic field resistance material: are there any?
11542
Why is gravitation force always attractive?
89377
What actually is meant by wave nature of electron or any other material particles?
89378
de Broglie relations: calculate wavelength using two different approaches
120124
Why is the earth shaped like a sphere and not any other shape: cube, prism?
271
Why don't spinning tops fall over?
19970
Does the scientific community consider the Loschmidt paradox resolved? If so what is the resolution?
16708
Why does it seem like a broken magnet's poles flip?
88026
Will an object resting on a rotating platform move in a frictionless world?
12012
Is spacetime simply connected?
17259
How fast does force propagate through matter?
64670
Is it possible (theoretically) to divide Black Hole into two parts?
53734
How do we make symmetry assumptions rigorous?
46798
The meaning of imaginary time
46863
Why is a cycloid path the fastest way to roll a ball downward?
134809
Projectile with air resistance
118807
In quantum mechanics, why position and momentum are related by Fourier Transformation(only)?
29766
Why does photon have only two possible eigenvalues of helicity?
111546
Can I measure a journey time < 100 years on a 100 light year voyage?
60900
About hubble observatory and distant galaxies
16885
Inertial frames of reference
391
Is anti-matter matter going backwards in time?
75286
does time exist in space or does space exist in time
102941
How many physical degrees of freedom does the $\mathrm{SU(N)}$ Yang-Mills theory have?
60016
exercise books for Feynman diagrams
102363
General relativity, gravity and spacetime curvature
100197
Finding charge (electromagnetism course)
9751
Why don't we consider centrifugal force on a mass placed on earth?
109850
Was the mass of the universe the same when it first began as it is now?
111959
How can we know that a black hole exists?
35218
Why do some physicists believe that scalable quantum computing is possible?
10252
Why is travelling around the speed of light a problem?
63023
I read a book saying bernoulli's flight equations didn't have as much impact on lift as most people think
43859
Would it be possible to transmit information through gravitational waves?
24588
Why don't we see solar and lunar eclipses often?
5057
Does string theory provide quantitative experimental predictions?
38561
Magnetic field lines
71772
How can we deduce the relation $m = \frac{m_0}{\sqrt{1-\frac{v^2}{c^2}}}$ between relativistic mass and rest mass in special relativity?
12589
Are there formulae for calculating stellar luminosity and effective temperature as a function of age?
123055
Electromagnetic Field VS Photons
81561
Why can we skate on ice?
73329
Born's Rule, What is the Reason?
45634
Impurity scattering temperature dependence
9194
What is the Physical Meaning of Commutation of Two Operators?
112866
If I'm floating in space and I turn on a flashlight, will I accelerate?
90128
String Theory- Are strings the end? What are they made of?
29355
Reading the Feynman lectures in 2012
109364
Can 'Backradiation' warm its own source?
67571
Is time slowing down and disappearing from the universe instead of the expansion of universe?
68639
Why are eigenfunctions which correspond to discrete/continuous eigenvalue spectra guaranteed to be normalizable/non-normalizable?
129378
The universe could have created itself?
56470
What is the formula for calculating the length of any given day (sunrise to sunset)?
26066
Why is there a limit to the intensity of cosmic rays at low energies?
18563
What exactly is a quantum of light?
71576
Static friction greater than kinetic friction
133876
Maximum voltage on metal sphere?
47259
If everything in the universe doubled in size overnight, would it be noticeable?
103931
Does light color change when refracting?
116851
Why are the 'color-neutral' gluons confined?
109636
Why are people weightless whilst in orbit around the Earth? ISS? Satellites?
12463
Einstein's postulates <==> Minkowski space. In layman's terms
112476
Water Displacement in the Oceans As a result of Global Warming
19262
What's the standard "roadmap" to learning quantum physics?
105681
Integrating for speed
81480
Why is the wave function complex?
82821
current in wire + special relativity = magnetism
46089
Elastic collision in two dimensions
2554
How is the classical twin paradox resolved?
94132
Geodesic for Electromagnetic forces
94133
Acceleration reaches speed of light?
52555
Does light reflect if incident at exactly the critical angle?
102517
Are continuous mathematical models of discrete physical phenomena messy because of a disconnect between “continuous” and “discontinuous”?
80467
Why does time reversibility imply equilibrium in a thermodynamic system?
125938
I still don't understand how a gas with an equation of state f(T,p,V)=0 can change if 2 state functions are fixed?
79085
Way to become a physicist
37881
Why is torque not measured in Joules?
92571
Would Beetee's electrocution plan work and kill the tributes in the lake?
1442
If time standard clocks and any memories about the time standard are destroyed, can we recover the time standard again?
23038
Why does the sound pitch increase on every consecutive tick at the bottom of a filled cup of coffee?
198
Do current models of particle physics explain the chemical properties of elements/compounds?
193
Best books for mathematical background?
70541
Canonical everyday-life example of a technology that could not work without humans mastering QM in analogy to the application of GR in GPS?
14142
Maximum limit on the number of paper-folds possible after tearing into halves
18670
ALL "forces" as manifestations of properties of space-time
87476
Could two different bases of a Hilbert space have different cardinality?
27496
Is the universe a quantum computer - is light speed barrier a computational constraint
13325
What is the minimum amount of fissile mass required to acheive criticality?
44718
Elastic Collision Between Two Objects
121476
What happens if the earth stops rotating?
134157
Can mass be totally converted into energy?
11878
A No-Nonsense Introduction to Quantum Field Theory
1683
Mechanics around a rail tank wagon
1686
Why does the (relativistic) mass of an object increase when its speed approaches that of light?
312
Particle physics getting started
118717
Newton and the change of mass with time
102366
gravitational lensing
82125
Is the universe immediately dependent upon the past?
116842
What would happen if I was in the centre of the Earth?
61948
Did space and time exist before the Big Bang?
69726
Does trade affect Earth's rotation?