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Graduate Understanding Barandes' microscopic theory of causality
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12
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349
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19K
Advice on visiting CERN?
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10
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445
Graduate What Exactly Is The Physical Content Of Maxwells Equations.
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3
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175
Can Electric Car Charging from Highway Lights Prevent Cold Weather Stranding?
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23
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2K
Random Photos
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172K
whaej35fqeg35u
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0
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56
Wordle Lovers - Play the NYT Daily Game
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274
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8K
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254K
Undergrad How do bar detectors work in gravitational wave detectors?
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6
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231
Undergrad Solving ##a^b## and ##b^a## via the Lambert Function
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5
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75
Collection of Lame Jokes
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796
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24K
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2M
How to test locally hosted websites on mobile?
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9
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3K
  • Sticky
Announcement Easy ways you can support Physics Forums
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4
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99
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51K
High School Is it safe to fly in a spinning hollow asteroid?
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24
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551
  • Featured
A.I. - Human Job Replacement
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3
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74
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9K
Undergrad Comparing ##a^b## and ##b^a##
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19
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895
Undergrad Abundant water from primordial supernovae at cosmic dawn
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1
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509
Undergrad Help me understand indeterminism in standard quantum mechanics
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11
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888
Angle between two alpha particle tracks due to proton bombardment of a nuclei
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9
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421
Spatial Perturbative Hamiltonians In Systems of Identical Particles
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0
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108
Voltage that gives acceleration to relativistic particles
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2
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125
Cyano substituted hydrazines
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15
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687
Undergrad Raising and lowering indices using metric tensor
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9
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359
How effective is nuclear propulsion?
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10
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2K
Music Cover songs versus the original track, which ones are better?
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80
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116K
Some work on MTW Figure 25.7
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0
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98
Generative AI Success
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2
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139
Grade Inflation at Harvard
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5
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334
Undergrad 2D rotation and angular momentum uncertainty
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5
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298
Graduate Why Does the Standard Model Use Six Dimensions for Probability Calculations?
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21
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2K
Graduate About the definition of Born rigidity
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2
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38
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2K
Study: Social media probably can’t be fixed
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2
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44
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2K
There Be Monsters by Dave Collins
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24
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1K
Method of storing energy on the Moon
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15
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1K
Undergrad Please Explain (actually explain) The Monty Hall Problem
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3
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5K
How to build a CNC plotter?
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15
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1K
History Çakmaktepe, older than Göbeklitepe
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126
Undergrad Measured Spectrum of Stopped Wood Organ Pipe Shows ALL Overtones
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17
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890
ChatGPT Examples, Good and Bad
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16
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460
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37K
I still have mine; do you still have yours?
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9
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538
Collection of Science Jokes P2
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136
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4K
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452K
Undergrad Relativity, time, and quantum mechanics
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2
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1K
  • Sticky
Space Stuff and Launch Info
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54
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174K
Graduate What is new with Koide sum rules?
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11
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118K
Hello!!!
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3
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147
VFD for powering a car lift
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25
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1K
Cultural exchange forum?
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9
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791
Solve the quadratic equation involving sum and product
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6
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3K
Undergrad About the definition of topological manifold using closed sets
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14
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6K
One pin AC connector (Coaxial)
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26
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2K
  • Sticky
Beauty of old electrical and measuring things, etc.
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24
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705
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120K
Automotive Engine Oil Level Sensor Pin Details
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7
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530
Graduate Feynman's bug (hot plate) in generality
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2
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344
Bad Math Jokes
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15
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43K
I've been reused but not credited
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14
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1K
RIP Carl Grillmair, Caltech Astrophysicist (67)
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1
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155
Strong belief - Martian Boogie related to "Feelin' Good" of Little Junior's Blue Flames
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0
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179
Wooly Bully
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3
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227
Other Hi, I need some advise about how to publish
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18
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1K
Optical-EME for licensed amateur radio operators
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2
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39
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3K
Lunar robots - AI guidance where low latency control is impossible
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1
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124
Undergrad Trisection: regular polygon
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1
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179
Aerographene in a vacuum
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2
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273
Looking for a reliable source of Aerogel
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7
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218
How do you like your coffee?
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6
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15K
Job Skills Physics Careers: Expectations vs. Reality
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11
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1K
  • Poll Poll
Why do we spend so little time learning grammar in college?
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5
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6K
Today I Learned
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229
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Views
476K
Undergrad Velocity of a free particle using Landau's approach
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20
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605
Machining Aerogel
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12
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1K
Which material will stop magnetic attraction?
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10
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921
Music Favorite songs (cont.)
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8
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13K
Random Thoughts 7
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67
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65K
Music Why are ABBA so popular?
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7
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202
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14K
Music Talent Worthy of Wider Recognition
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5
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11K
Penning ion source test
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2
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322
Rabbit companion and general animal communicator
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1
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204
Undergrad Euclidean geometry and gravity
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6
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169
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7K
Prove that ## 4\tan^{-1}\left[\dfrac{1}{5}\right]- \tan^{-1}\left[\dfrac{1}{239}\right]= \dfrac{π}{4}##
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21
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3K
Undergrad Three Circle Problem
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14
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2K
New Member Interested in Quantum Foundations
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2
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200
Graduate Spacetime interval in Galilean relativity
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8
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2K
Can Dogs Talk Using Buttons?
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27
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2K
Tone Bending On Synthesizers
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3
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677
High School Can virtual particles turn into real particles? (news about new study)
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1
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843
Is A.I. more than the sum of its parts?
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11
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325
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7K
The Secrets of Prof. Verschure's Rosetta Stones
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5
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146
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34K
Questions about a parallel plate capacitor apparatus for lab experiments
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9
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2K
Physics for hobby
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3
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325
RIP Actor Robert Duvall (95, January 5, 1931 - February 15, 2026)
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1
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198
Undergrad EPR revisited
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2
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38
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4K
Astonishing Chinese Robots
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2
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185
New cases of Nipah virus
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3
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1K
Music Today's Fusion Music: T Square, Cassiopeia, Rei & Kanade Sato
  • · Replies 114 ·
4
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114
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17K
High School Three Squares Problem
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9
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1K
Music Who is your favorite Jazz musician and what is your favorite song?
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12
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346
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26K
Favorite Mashups - All Your Favorites in One Place
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3
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68
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10K
Graduate Orbits of a photon that can't quite cross the photon sphere of a BH
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1
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205
Undergrad Looking closely at the descent into a black hole
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2
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51
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1K
Let me introduce myself
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1
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152
Graduate Quantum measurement problem (ie double slit experiment) question
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10
Views
777