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  1. What is reality?
  2. How to calculate explosive pressure in confined spaces?
  3. What effect is this?
  4. Change of basis - angular momentum eigenstates question
  5. Neil Armstrong dead
  6. where does all this "stuff" keep coming from?
  7. Does momentum have a force carrier?
  8. Is the frequency of sound affected by liquids and gases when sound passes through it?
  9. Science vs. myth: What if we could travel faster than the speed of light?
  10. Can a sand coloured lense letting IR and UV light?
  11. how to find mass and weight of an object?
  12. Please answer this question for me and my brother.
  13. A Device that Measures the Total Application of Force?
  14. Controlling magnetic states?
  15. Wormholes and Entanglement
  16. Not sure if this is the right section, but i have a conversion question.
  17. Inverted black holes
  18. Interested in Physics and Chemistry
  19. Vibrations in States of Matter
  20. Matter-antimatter question
  21. About gravity
  22. What is Areal Poisson's Ratio?
  23. Controlled Fusion Reaction
  24. Acoustics: can someone tell me how thick a wall needs to be for me to not be able to hear noises?
  25. Independent Variable of Two Slit Experiment
  26. Entropy of a vacuum and heat death of the universe
  27. magnetizism in metal?
  28. Black Hole at near-light speed?
  29. BBC NEWS: Stopping of light
  30. When fluid dynamics mimic quantum mechanics
  31. Why does rubber band get expand when it is rotated around an axis?
  32. M-Theory & dark matter/dark energy
  33. Why time Travel has/has not been invented
  34. Calculating force applied at impact to object(s) tied together
  35. indestructable matter
  36. Motion, time, and space.
  37. Quick Question.
  38. power system idea
  39. Physics and music
  40. lead-acid batteries
  41. Light clock in a gravitational field
  42. how realistic is the possibility of star travel in the future?
  43. Role Forces
  44. Architect --> Physicist
  45. Question about solution to the Dirac equation?
  46. Higher learning in physics?
  47. Physics of hyperspace
  48. Renormlization in Particle Physics
  49. Good job/career questions.
  50. What materials block infrasound and ultrasound at frequencies that r typically used for DEWs?
  51. Applications of electromagnetic radiation
  52. Fusion and its way to a sustainable reaction...
  53. Human body as an electric conductor
  54. Does quantum mechanics violate the laws of logic?
  55. Optimal Voltage in Electrolysis of Water
  56. Battery idea #2
  57. Anyone Into Reading Gravitation?
  58. Space/time near absolute zero
  59. String Theory and The Relativity Theory : Who Can Explain That to Me ?
  60. Definitions
  61. Yet another question of clarification, this time; quantum particles!
  62. What Effect do the Van Allen Belts Have on Geosynchronous Satellites?
  63. Acceleration of Nuclear Decay by Low Frequency EM Field - Possible?
  64. Why can't we walk through other dimensions?
  65. Wiley Coyote used to teach physics
  66. Destruction of virtual particles and virtual particle pairs
  67. Which came first, space or time?
  68. Quantum Mechanics: A single atom can be in 2 locations at the same time?
  69. Why does gravity travel at the speed of light? (or does it?)
  70. wave front
  71. speed of light not constant?
  72. What is Gravity, when will we learn enough to be able to manipulate it
  73. gravity
  74. How does a space shuttle go straight up?
  75. An Explaination Needed: Charges, Fields, Potentials etc.
  76. dark matter
  77. Winding a Solenoid in layers. How to calculate number of layers?
  78. YouTube Channe for Astrophysics
  79. Neurons as RC circuits
  80. German Physical Society fights against the Karlsruhe Physics Course
  81. A Question About Zero Point Energy
  82. [Question] How much methane would it take to lift 1lb?
  83. Conservative overdamped harmonic oscillator?
  84. Biophysics: Help me validate calculation for free energy for biological reaction
  85. Gravitational waves from black hole births?
  86. A question about the formula of de Broglie
  87. Space and Time
  88. the Joule
  89. Combustion energy of acetone
  90. Absolute zero
  91. Does our planet orbit the sun the same way the ISS and other satellites orbit our planet?
  92. the lowest frequency
  93. Firing a bullet up into the air
  94. stability of electron
  95. deviation of light
  96. Theoretical Applications of Lorentz Time Dilation
  97. Gravity, a force to be reckoned with the point of origin or end
  98. Question about vectors?
  99. Time... How the phrick does it work?!
  100. Will a workable warp drive be created?
  101. Is the Big Bang necessarily the absolute 'beginning' of everything?
  102. conservation of energy
  103. What is the limit for the charge of a charged black hole and how is it calculated?
  104. temp from light lumiance
  105. why is it said....
  106. Question about views of the moon...HELP?
  107. Semiconductors question
  108. Nuclear spaceship : possible?
  109. Question on definition of ampere
  110. An idea/thought on the advanced double slit experiment
  111. Let me know what is the 5th dimention of this universe?
  112. A new idea to kill Mosquitos ?
  113. Running at 25km/u
  114. HELP - I am getting Totall Lost - Gravity from a Single Object.
  115. Most important piece of scientific knowledge
  116. looking for some info about magnets for kinetic sculptural project
  117. coriolis effect : its implication
  118. Could the Universe be expanding into a singularity?
  119. Instantaneous Interaction
  120. Help with electro magnet
  121. Manifolds, tensors and other stuff
  122. The unparticle
  123. Neutralinos
  124. Confirmation of a "homemade" equation?
  125. Calculating volume of air created from boiling water at depth
  126. History: Positive & Negative electric charge?
  127. Thermodynamics: Path Dependence involving Step Processes
  128. Physics project -Idea??
  129. Acoustic Resonance
  130. Acoustic resonance
  131. Friction of arrows- spark a fire?
  132. SPLIT : General Relativity Primer Discussion
  133. In relativistic interstellar travel, would hitting a speck of dust = total destruction?
  134. small sphere or cylinder filled by a solvent
  135. Gravity And Electromagnetism As Spacetime Structure Disturbances
  136. Best Physics Teaching Apps
  137. Best Physics Teaching Apps
  138. Multi slits Experiment
  139. Do we live in the Matrix?
  140. Multiversity and space holes!
  141. Wasted energy as heat form
  142. Zero-G Freezing
  143. Mass vs velocity
  144. Time travel
  145. Direct conversion of heat to electricity
  146. how to make a small heating system?
  147. An experiment with waves.
  148. Does the temperature of space help us learn more about dark matter?
  149. What are black holes, and equation involved in it?
  150. Pogostick: springrate N/mm?
  151. is perpetual motion possible?
  152. propagation of EM waves
  153. M-Theory and Hawking.
  154. Molecular Construction?
  155. effect of radio waves
  156. What Happens to Nitrogen in a Star ??
  157. Need an equation!!! Heat transfer through tissue when a laser is used...
  158. Torque? I need concept!
  159. Thermodynamics - Reversible cycle
  160. Spontaneous Wormholes? Planetary Transportation?
  161. constants
  162. Modifying a cyclotron to produce electricity
  163. What exactly are initial conditions of the universe, and are acausal events determined by it?
  164. Acceleration of A Classical Particle without A Force Acting on The Particle
  165. Second Higgs boson found?
  166. Simulating Crystallography With Simulated Electron Pathways (orbitals) On Simulated Atoms/Molecules.
  167. Equations for scattering of plane waves from a dielectric sphere
  168. Calculation of the magnetic field ring current and the magnetic flux through the closed surface
  169. Temperature Vs refractive index
  170. Theoretical manipulation of space-time organized list of approach?
  171. Scalar as A One-Dimensional Vector
  172. Rainbow '"Internal Refraction"?
  173. 2013 coursework Physics
  174. History of Planck's equation(s)
  175. Physics newbie struggling with essay.
  176. Does light amplify sound waves?
  177. Quantum suicide and some questions
  178. Sphere Packing Problem and Chemistry
  179. Faster-than-light warp drives
  180. Explanation behind Moseley's Law
  181. Valid reason to reject the Bohr model?
  182. Use of matrices in relativity?
  183. If there exists only one body, can time pass?
  184. Superfast Communications - Particularly over Astronomical Distances.
  185. Why are daytime clouds white instead of cyan (sky blue)?
  186. Electricity/Energy ?
  187. Quick question about relativity
  188. Can something be relative to itself?
  189. Why are there 8 gluons?
  190. Pure energy ?
  191. Quantum Theory
  192. Radium Testing?
  193. Rainbow CD Photon test - Part 1.
  194. Energy Quantification
  195. Voltage across airplane wings if carrying magnet
  196. relativistic puzzle
  197. How can determinism exist in the normal level, but not the quantum level?
  198. Einstein-Cartan Theory Primer
  199. Reflection of sunlight in office building (looks like the sun is magnified)
  200. Circular Motion
  201. Why is the Sky Blue?
  202. color of water during different seasons /does color exist without light?
  203. Books for self-study leading to String Theory
  204. What does Common Sense mean in Physics? What does Logic mean in Physics?
  205. Will this demonstration of Why the Sky is Blue work?
  206. How do you get matter out a black hole?
  207. Question about frequency and physically repulsive force fields
  208. Faster than light
  209. Radiowaves faster than light?
  210. Difference between dark matter, anti-matter, and their relation to Higgs-Boson?
  211. How does this violate the conservation of energy?
  212. Summaries of all known theories about the origin of the universe
  213. Is there a terminal amplitude for sound in air?
  214. Stella Nucleosynthesis...
  215. Testing my Physics.
  216. Viktor Shaubergers Repulsines mod A and B
  217. How do we find out many % of our mass do we know is due to relavistic velocity, and how many % of our mass is due to energy?
  218. What are the differences between laws and theories?
  219. If the universe was growing faster than the speed of light, could there be matter at the edge of the universe?
  220. David Icke
  221. Brain waves at the time of death
  222. Is space negative charged elastic fluid?
  223. What is spacetime from phsycal aspects and its behaviour ?
  224. Floaters!
  225. The Purpose of Gravitons?
  226. trying to find enough non-thermal energy, released death, to trigger radiation decay, perhaps a beta+ decay?
  227. Confused about E!
  228. pls let me know the answers
  229. Can anyone give me a nice science fair idea related to sound waves?
  230. How could the big bang create itself?
  231. Need help with a 1D newtonian motion question.
  232. Question about simplifying physics equations!?
  233. Lets say you can stop time like in movies,anime's
  234. silly question
  235. Never Ending Tininess?
  236. Subjective or Objective World?
  237. Does light travel instantly relative to itself?
  238. Existing at the same time and space?
  239. Does things that happens without a cause mean that it might not have happened at that time?
  240. Are we travelling at the speed of light in time?
  241. Some questions about TACHYONS
  242. Does a particle at rest behave like a wave?
  243. Phase Velocity of Matter
  244. Question about frequency?
  245. Frequency and Wavelength
  246. Phase Velocity of Light
  247. Is light's phase velocity always c?
  248. Transverse doppler equation.
  249. Does the parallel universes actually exist in the many worlds interpretation?
  250. Photons And Electromagnetic Waves