_id stringlengths 1 6 | text stringlengths 15 149 | title stringclasses 1
value |
|---|---|---|
92313 | The definition of Lagrangian | |
57137 | How soon that a force affect another object? | |
69657 | How could vacuum energy cause the expansion of the universe? | |
56888 | rephrasing my question on QFT and path intergrals? | |
13388 | At what speed does our universe expand? | |
54656 | When can one write $a=v \cdot dv/dx$? | |
73825 | The future of supersymmetry | |
29642 | In a neutron star - what force keeps the neutrons from getting closer and closer? | |
72447 | Why this perpetuum mobile can't be possible? | |
51776 | How are current and voltage out of phase in capacitive circuit? | |
130171 | At what speed will objects hit a singularity? | |
18691 | Topics in particle cosmology | |
47291 | How could the relative zero gravity of the International Space Station be canceled? | |
47128 | exponential potential $ \exp(|x|) $ | |
39263 | Science behind the singing wine glass | |
12664 | Proving that interval preserving transformations are linear | |
111696 | Hydrostatic pressure at the center of a water planet | |
8420 | Strongest force in nature | |
93130 | Is it wasteful to use a heating element, instead of doing useful work? | |
55458 | Why is the Lagrangian quadratic in $\dot{q}$? | |
68198 | Why can't some light ever reach earth? | |
68223 | The secret behind the spinning, asymmetrically weighted, 2D disk-shaped top? | |
43919 | Dark Energy saving the world | |
89335 | Self-contained book about complex systems and nonlinear dynamics | |
69281 | The interaction picture doesn't exist? | |
99338 | Transportation using disintegration | |
49837 | How do stars look like from space? | |
46824 | A thought experiment with Heisenberg's Uncertainty Principle | |
79136 | Buzzing/Vibration in body under power lines | |
79685 | If the source of sound is vibration, why can't we "hear" a object whose molecules are vibrating? | |
73162 | Should we necessarily express the dimensions of a physical quantity within square brackets? | |
34834 | An example of non-Hamiltonian systems | |
107746 | Spinning of the Earth | |
6582 | What sort of jobs do physics graduates with B.Sc/M.Sc get? | |
130999 | Why do we observe opposite motion of trees (nearer) and trees (distant) when seen from a moving frame? | |
70463 | Exchange particles-real or just mathetical constructs? | |
89988 | Can we actually prove with 100% accuracy that there is more than 3 dimensions plus time (t,x,y,z)? | |
7479 | A Basic Question about Gravity, Inertia or Momentum or something along those lines | |
110615 | What does 1/k represent regarding Newtons Law of Cooling? | |
19548 | Does mass affects accelleration of an object in a sloapy movement? | |
46327 | Flames with no gravity? | |
46324 | To which extent is general relativity a gauge theory? | |
43665 | Logical requirement of newton's third law | |
34366 | Time taken for object in space to fall to earth | |
34364 | Why does a cuboid spin stably around two axes but not the third? | |
73393 | A question about the higher-order Weyl variation for the geodesic distance | |
103110 | A black torch to darken everything | |
87260 | Time Slowing Down | |
102719 | What is the formula for determining time dilation (as the object in motion)? | |
109992 | Heat energy in special theory of relativity | |
128875 | How to find the potential energy? | |
77020 | Are Lorentz force and maxwell's equations independent? | |
96081 | Is the second law of thermodynamics a fundamental law, or does it emerge from other laws? | |
35660 | Is there a difference between a postulate and a principle in physics? | |
73051 | Do cosmologically redshifted photons violate energy conservation? | |
98437 | Why absence of electron is called hole? | |
156 | How are the northern lights produced? | |
83845 | Can air bubbles sink at extreme depths? | |
15855 | How does quantum trapping with diamagnets work? | |
89002 | Why treat complex scalar field and its complex conjugate as two different fields? | |
33507 | Quantum mechanic newbie: why complex amplitudes, why Hilbert space? | |
21654 | How to find the value of the parameter $a$ in this transfer function? | |
90469 | Do all massless particles (e.g. photon, graviton, gluon) necessarily have the same speed $c$? | |
28093 | Relation between water flow and pressure | |
28094 | Time for two objects to gravitationally attract each other | |
104237 | Why do the planets orbit the Sun? | |
112270 | Thermo-Emf variation with temperature | |
68302 | Best way to chill a cup of coffee with cold water and 5 minutes | |
3009 | How exactly does curved space-time describe the force of gravity? | |
31029 | How can a wooden spoon be used to prevent water from over boiling? | |
72535 | Are there any naturally occurring perfect circles? | |
132988 | Energy & Mass of a Photon | |
7905 | Massless charged particles | |
21194 | Problem on nuclear physics radioactivity | |
126694 | Is the Speed of Light an universal spacetime constant, the velocity of electromagnetic waves, or of photons? | |
27041 | Linearizing Quantum Operators | |
32096 | What exactly is a kilogram-meter? | |
22404 | Will the hole on a metal disc expand or contract upon heating? | |
102791 | Quarks are now considered to be fundamentals, but so were atoms some time ago. So the way we see is only limited by our technological advances? | |
104302 | Size of Universe after inflation | |
74517 | Does a 27 hp engine output the same amount of energy as lifting a 1 ton stone block almost 3 meters per second? | |
10311 | Does it exist a free good molecule / atom simulation software? | |
63278 | What counts as "observation" in Schrödinger's Cat, and why are superpositions possible? | |
41717 | How is it possible to come to a conclusion that Universe is a result of the Big Bang while we aren't able to observe the entire Universe? | |
7732 | If the Sun were to suddenly become a black hole of the same mass, what would the orbital periods of the planets be? | |
52515 | What is a natural movement of a ball on a upward curve (the two arrow lines pointing upward) given no external force? | |
82418 | Analytic solution for angle of minimum deviation? | |
64253 | Distance away from earth to see it as a full disk | |
85975 | How much extra distance to an event horizon? | |
77143 | What does it mean for a QFT to not be well-defined? | |
357 | Home experiments to derive the speed of light? | |
2254 | When water climbs up a piece of paper, where is the energy coming from? | |
9468 | In what order should the subjects be studied in order to get to String Theory | |
35781 | Why are atoms particles? | |
127408 | Features used in quantum mechanics but not used in classical mechanics | |
18148 | Current against the inverse of resistance graph, $I = V/R +c$ | |
39170 | Good Magnetic Simulation Software? | |
12717 | Charging 12V 150Ah battery | |
111866 | Intuitive meaning of Dot Product | |
62474 | Does friction depend on the area between bodies thats in contact? |
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