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This badge has been awarded 6157 times. Recently awarded to:
18m ago
Heat equation with Neumann boundary conditions — Stan Won 1876
53m ago
Normalizing a continuous distribution — Mark 63
5h ago
What happens with the force of gravity when the distance between two objects is 0? — Manuel Herrera 262
6h ago
Can facial surgical mask effectively filter particles of smoke pollution? — Saif60 71
6h ago
Evidence for expansion of space — Jeff F 111
7h ago
Mechanics question (a block on top of a block) — xylon97 134
13h ago
Applications to the Van der Pol equation? — James 61
17h ago
Under what conditions is a pure fusion nuclear bomb possible? — NewBomb 91
20h ago
Determining the properties of an alloy — Luan Nico 115
23h ago
Imposing anti-commutation relations on fermionic quasi-particles — user25957 162
1d ago
Diffeomorphism invariant Quantum field theories — mohammed 61
1d ago
Can one make a ball rotate around a vertical axis using only a combination of horizontal axis rotations? — Potato 1362
1d ago
The Molecular Hamiltonian and the avoidance of Overcounting — Sean Macfoy 133
1d ago
Capacitors' working in a circuit — user25939 61
1d ago
The relation between spectral function and band structure — jinchenhao 61
1d ago
Why polar jets emited along axis of rotation? — dan 362
1d ago
Where did Schrödinger solve the radiating problem of Bohr's model? — BNJMNDDNN 1718
1d ago
Potentials in Helmoholtz Theorem — Caos 61
1d ago
Principle of Least Action via Finite-Difference Method — bolbteppa 161
1d ago
Can someone explain to me inertia? — JJP 11
1d ago
Correlation between speed, distance, mass, etc between a planet and a star (or moon and planet)? — Katai 1283
1d ago
Is a sonic boom a one-time bang or a continuous noise? — Nick G 1465
2d ago
Best way to chill a cup of coffee with cold water and 5 minutes [duplicate] — Vlad Preda 1536
2d ago
Is there anything smaller than a quark? [duplicate] — hipeople1444 111
2d ago
Is there an equation that tells you more about the amplitude of an object which is in resonance? — Marie V 111
2d ago
How is the sun's equatorial circumference measured? — DrStrangeLove 1213
2d ago
What is the equation for Lin-Shu density wave theory? — Lin-Shu 42
2d ago
Why is the anode (+) in a device that consumes power & (-) in one that provides power? — pyler 132
2d ago
Why does asphalt crack along painted lines? — Walkerneo 1353
jun 16 at 7:54
Is faster than light travel possible using nothing but ordinary matter and special relativity? [closed] — Burt 142
jun 16 at 7:09
Toward the establishment of non-equilibrium (quasi-equilibrium) magnon BEC theory — Kouki Nakata 61
jun 16 at 5:19
How does the Cern LHC collide particles head on if uncertainty principle limits the precision — user1433153 132
jun 16 at 5:14
Why are there two quasi Fermi levels and only one Equilibrium Fermi level? — user1255592 61
jun 16 at 2:43
How to evaluate commutators? — quantum savant 104
jun 16 at 2:23
Why can't some light ever reach earth? [duplicate] — Telmo Marques 1135
jun 16 at 2:03
Why do stars flicker? — ilea 383
jun 15 at 23:12
Can the axis of rotation of a celestial body point in any arbitrary direction? — Esa Lakaniemi 1183
jun 15 at 19:00
Why does it take so long to make a nuclear bomb? — neomhmd 335
jun 15 at 18:05
Decibel equation, dyne or Watt — Mattia 82
jun 15 at 15:19
In turbulence theory, what happens if i take space average of fluctuating part? — Achmed 162
jun 15 at 13:49
Doppler redshift in special relativity — user997712 162
jun 15 at 7:17
1/2 freeze a water bottle — scott taylor 62
jun 14 at 22:10
On the Axial Anomaly — anne 362
jun 14 at 20:19
Does shadow have mass? — user689 11
jun 14 at 16:28
How do we measure velocity field? — Flow 111
jun 14 at 15:33
Office Air Conditioning and Open Windows — Steji 61
jun 14 at 13:27
Why two connected 1.5 volt battery become 3 volt — Buzz 1182
jun 14 at 5:14
Confusion with derivation of fictitious forces — Brian Bi 333
jun 14 at 4:04
Obtaining an expression for the Lorentz Force in the Dirac theory [duplicate] — Surreal 92
jun 13 at 23:32
Is there a source that provides data for the temperature coefficient of resistivity at different temperatures? — paulluap 112
jun 13 at 22:52
Neutral pions and chromodynamics — Richard 332
jun 13 at 20:52
6 Story Building Swaying, Normal? — Anonymously 92
jun 13 at 17:51
Calculation of magnetic force magnitude from a parmenant magnet — Omar 61
jun 13 at 16:20
Solitonic nature of RR sources — Bru 1466
jun 13 at 9:29
Dirac electron polarity? — Diego 62
jun 13 at 2:31
Integrable equations of motion — Matt 195
jun 13 at 0:21
Relationships between different measure of opacity — simplicio 82
jun 12 at 21:20
How to cut a stone on on a White Dwarf — Robert 431
jun 12 at 21:15
How is the energy of an electron-shell related to the speed of electrons in that shell? — jjfoerch 62
jun 12 at 19:44
Global part of a local symmetry? — Palash 654
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