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Physics is the natural science that involves the study of matter and its motion through space and time, along with related concepts such as energy and force. One of the most fundamental scientific disciplines, the main goal of physics is to understand how the universe behaves.

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relativity and accelerating BBs ( 1 2 3)
dseppala
Today 01:26 PM
by dseppala
22 347 Special and General Relativity
Physics Depth Study Advanced Mechanics
manis88
Today 05:10 AM
by manis88
0 13 Advanced Mechanics
Making a long-distance scope to spot short-distance objects
karshen
Today 01:26 AM
by karshen
0 19 Light and Optics
A mathematical model for natural cooling of a cup of tea/coffee/ etc. ( 1 2 3)
eli28
Yesterday 09:23 AM
by eli28
27 663 Thermodynamics and Fluid Mechanics
Quantum entanglement energy
Curiousgeorge99999
Yesterday 12:49 AM
by Curiousgeorge99999
2 70 New Users
Color standards?
ucanbizon
Oct 15th 2019 12:34 PM
by ucanbizon
2 98 Light and Optics
Calculating the divergence of electric field using the definition of divergence.
Adesh
Oct 15th 2019 12:42 AM
by Adesh
2 75 Electricity and Magnetism
varying vev for a scalar field of complex charge, such as as the Higgs field
muon
Oct 14th 2019 07:38 PM
by muon
2 77 Quantum Physics
A Problem Kinematics "Physics for scientists and engineers"
GeorgeGR
Oct 14th 2019 10:21 AM
by GeorgeGR
2 89 Kinematics and Dynamics
Frame of Refrence on Rotating Earth
MacAran
Oct 14th 2019 03:52 AM
by Woody
2 72 Light and Optics
wavicle: an old topic ( 1 2 3... Last Page)
neila9876
Oct 13th 2019 12:58 PM
by neila9876
46 3,203 Quantum Physics
Advanced physics
hysics
Oct 13th 2019 09:27 AM
by hysics
0 75 New Users
Balloon vs SR ( 1 2 3)
neila9876
Oct 13th 2019 08:08 AM
by topsquark
20 995 Special and General Relativity
Majorana Neutrino ( 1 2 3... Last Page)
topsquark
Oct 12th 2019 06:23 PM
by neila9876
86 5,394 Nuclear and Particle Physics
Eight minutes, an ordinary topic ( 1 2)
neila9876
Oct 12th 2019 04:53 PM
by neila9876
18 766 Physics
Creating a parrallel lightbeam. ( 1 2 3... Last Page)
cobaltBlue
Oct 12th 2019 06:42 AM
by donglebox
35 1,364 Light and Optics
Greenhouse model ( 1 2)
neila9876
Oct 11th 2019 04:00 PM
by neila9876
10 355 Physics
P-N junction depletion region
MediocreNickname
Oct 10th 2019 09:27 PM
by MediocreNickname
0 64 Electricity and Magnetism
Tramp and Electron ( 1 2 3... Last Page)
htam9876
Oct 10th 2019 03:43 PM
by neila9876
70 4,063 Philosophy of Physics
A double-slit experiment && Optics
DazaiReta
Oct 10th 2019 07:58 AM
by benit13
1 121 Light and Optics
Diffraction Gratings
DazaiReta
Oct 10th 2019 06:02 AM
by DazaiReta
2 129 Light and Optics
Waves && Optics
DazaiReta
Oct 9th 2019 09:36 PM
by DazaiReta
0 77 Light and Optics
I don't understand double-slit interference...
aknight
Oct 9th 2019 12:51 AM
by donglebox
4 300 Quantum Physics
Electric fields
mrphys
Oct 8th 2019 02:30 AM
by benit13
1 360 Electricity and Magnetism
Thermodynamics 2 - cogeneration help
datsun72
Oct 8th 2019 02:24 AM
by benit13
1 199 Thermodynamics and Fluid Mechanics
The weighing machine
Physics77
Oct 7th 2019 12:23 PM
by Physics77
2 252 Periodic and Circular Motion
Troublesome problem with finding the electric current
Curiousphysicist
Oct 7th 2019 09:07 AM
by Curiousphysicist
2 145 Electricity and Magnetism
How to solve this question
ljanes
Oct 6th 2019 01:37 PM
by Curiousphysicist
6 416 Kinematics and Dynamics
Simple Mechanics problem - rotating the rod with a ball attached on a string
Curiousphysicist
Oct 6th 2019 11:53 AM
by Curiousphysicist
2 287 Kinematics and Dynamics
fields and photons? ( 1 2 3... Last Page)
interested
Oct 6th 2019 07:34 AM
by Woody
44 958 General Physics
scattering from a dipole born approximation
NightHaWk
Oct 6th 2019 02:39 AM
by NightHaWk
0 200 Quantum Physics
A Problem from "Physics for scientists and engineers"
GeorgeGR
Oct 5th 2019 11:18 AM
by GeorgeGR
4 236 Kinematics and Dynamics
Right-handed fermions in charged weak interactions
muon
Oct 4th 2019 08:51 PM
by muon
6 229 Nuclear and Particle Physics
Need help.
Mg248
Oct 4th 2019 08:23 PM
by muon
2 250 General Physics
Cooling tower models
benit13
Oct 4th 2019 09:21 AM
by benit13
0 876 Advanced Thermodynamics
Raining, an ordinary topic ( 1 2)
neila9876
Oct 4th 2019 02:15 AM
by neila9876
12 878 Physics
Twin Paradox and Deceleration ( 1 2)
muon
Oct 3rd 2019 06:17 PM
by muon
10 311 Special and General Relativity
Understand pump curves
TENichols94
Oct 2nd 2019 05:33 PM
by TENichols94
6 329 Thermodynamics and Fluid Mechanics
Weak isospin conservation
muon
Oct 2nd 2019 03:00 AM
by muon
0 141 Nuclear and Particle Physics
Electroweak Bosons
muon
Oct 1st 2019 02:07 PM
by topsquark
3 192 Nuclear and Particle Physics

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