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  1. Question on higher dimensions and gravity
  2. Circulating laser time machine
  3. Pseudogravitational field in General Relativity
  4. Dimensional Analysis
  5. Unified Field Theory
  6. can anybody solve my problem on space-time
  7. Uncertainty Principle
  8. Why does ice float on water ?
  9. Expanding into annihilation?
  10. Containing the reaction of metallic hydrogen for use as a space vehicle fuel
  11. How dangerous is a TV repeater?
  12. Which component of the electromagnetic spectrum does Communication satalites use ?
  13. how do you spin a wheel with electricity?
  14. Expansion?
  15. Mass-Energy equivalence in SR
  16. A space time experiment . . .
  17. Where's the beef? I mean the mass
  18. Space boundary
  19. Do photon contain/carry more than energy, momentum and angular momentum?
  20. Kinetic energy
  21. Doubly Special Relativity
  22. Physics of Brainwaves
  23. Questions About the Region of Space Occupied by Quarks and Gluons- Shape Probabilities etc
  24. Basic questions about neutrino
  25. Wanting to understand photon emission from an accelerated electron
  26. Magnetic Field Reduction
  27. Optical black holes: "Hawking radiation"?
  28. Electricity generation using lightning
  29. Thermionic converter vs. Ignitron efficiency
  30. its the wiki right? quantum pseudotelepthy
  31. What's beyond the Neutrino?
  32. Why is vacuum suction so darn powerful?
  33. Results of Blackhole's Mass
  34. What's the use for black holes?
  35. Why do stars twinkle
  36. Kinematics - Ball drop problem!
  37. Does spacetime behave like pizza dough?
  38. A catalyst physical action
  39. if you trow a beam from a plane does it fall vertical or horizontal?
  40. Time Dilations for Gravitational Potential and Escape Velocity are Equal?
  41. need help with heat
  42. Escape Velocity
  43. science question
  44. Video Suggestions
  45. How quantum is wave-particle duality of Couder's walking droplets?
  46. dynamics problem
  47. The graviton
  48. Phonons: particle wave duality, relativity as a wave phenomenon
  49. Is a Magnet's Field Attached to It?
  50. Please explain a Higgs Field in spacetime to me and how they can create Higgs Bosons from collisions in Proton Smashers
  51. Usage of a chart for the interaction of mass in a computer simulation?
  52. Help me explain this...
  53. Dumb Question Time Again
  54. resistivity
  55. Would there be less gravity or different gravity if you were to travel to the center of the earth?
  56. Why is the sky blue
  57. Leaping Leptons!
  58. Plz hep,l i dont see how angular momentum is conserved in this case
  59. Covering one's heat signature in space
  60. Dual wings for a flying creature?
  61. Why does this happen?
  62. sailboat paradox and em sail propulsion
  63. How work particle beam weapon ?
  64. Can gravity be affected by surroudings.
  65. one way magnetic field
  66. Linear motor vs. angular motor in space
  67. Has the One-Way Speed of Light Really Been Tested?
  68. Does a super-cooled magnet levitated in a vacuum maintain its temperature?
  69. Gravitational Time Dilation Between Two Masses?
  70. Swinging of a ball
  71. plz help on understanding tides and conservation of energy
  72. .
  73. Effects of Rotation on Independent Movement
  74. Special Relativity Question.
  75. Simpleton's Query
  76. Non powered boat move upstream
  77. are normal and tangential aceleartions perpendicular in an spining tube?
  78. LED's efficiency exceeds 100%
  79. Does a clock in free fall through a gravity potential run faster than a clock held at that gravity potential?
  80. Grade 10 Optics question - Converging Mirrors
  81. Accelerating Protons and Light
  82. Controlled delayed quantum erasure - where is the causality?
  83. Spectral difference between H and H2?
  84. How "real" is gravitational time dilation?
  85. Sport science
  86. Thermal properties of Protium, Tritium and Deuterium
  87. one question i dare not ask my teacher not to look stupid
  88. just a question
  89. Microwave
  90. Is this a DI-TOROID Field?
  91. Would it be Possible to Make Deuterium Oxide Ice?
  92. Sheldon Glashow to retire physics if OPERA test proves accurate
  93. will astronauts in the future be shot to space sunk in breathable fluid?
  94. When Schrödinger's wavefunction reacts on rapid change of potential?
  95. Deposition of radioactive isotopes on solids
  96. forum questions?
  97. polarized glass
  98. Is earth's core an electric turbine for a perspective?
  99. Physics crossword help
  100. I need help plasma physics problem
  101. Wind Power: A source of Energy
  102. The weight of earth.
  103. Exact Solutions of Einstein's Field Equations
  104. Teaching yourself Physics
  105. systems physics
  106. Tube shear strength 6061-T6
  107. From who's perspective do we measure Lorentz Contraction?
  108. n-body problem with coordinate change
  109. What if the Earth's rotation was much faster?
  110. Why do we need Gravitons?
  111. Question about the holographic universe
  112. Question regarding Gravity
  113. [SCHEMATIC] please i need your opinion.
  114. energy question, 100W bulb
  115. energy question, lift 100kg
  116. energy mass ratio
  117. if time is a dimension why isn't light?
  118. just a question
  119. Please Help...
  120. essence of fundamental particles
  121. How are black holes able to move?
  122. Sonic invisibility!
  123. Improved PV cells with carbon nantubes?
  124. Hawking Radiation Constituents Questions (originally posted in general forum)
  125. Proton Nuclear Magnetic Resonance Spectroscopy Introduction
  126. Emptiness of space
  127. Space charge Triboelectricity?
  128. FTL communication
  129. how can i find this difficults geometric relations for dislocations ?
  130. Video on Magnetism in space
  131. Hypothetics: Time and Light
  132. The First Evidence Of The Higgs Boson Particle?
  133. What makes light so special?
  134. Mercury perihelion precission
  135. Wave Function Collapse
  136. Demonstration of temporal cloaking?
  137. Earth movement and physical vacuum energy harness
  138. Train Wheels
  139. The SSC.
  140. The energy in Universe is constant?
  141. Why planets do not go closer to Sun?
  142. What about 2nd law of thermodynamics in Cyclic Universe Model?
  143. Summary of today's Fukushima report
  144. questions on the kinetic molecular theory of gases
  145. Kinetic molecular theory of gases
  146. New Boson Discovered by ATLAS collaboration
  147. Pressure diffusion
  148. video - would this experimental setup detect a potential?
  149. Expanding Universe
  150. Simplifying phisics
  151. Thermodynamical thought experiment with time reversing loop?
  152. How are Headphones able to produce immense sound effects?
  153. Black Hole Location in Universe
  154. Persistent Current
  155. Light Year Calculation
  156. 400 nm laser pumped by HB fusion?
  157. slit screen experiment question
  158. Question on dark energy...
  159. The Universe in different dimensions
  160. black objects
  161. finding the the next big thing
  162. Perpetual Energy- the expansion of freezing water
  163. bohr model: cloud or rings?
  164. Are Weight & Temperature Linked ?
  165. Displacement amplitude of sound wave at minimum audible intensity
  166. Magnetic Field of an electric generator.
  167. What are physicists worth?
  168. Questions about gravity
  169. Close look at the gyro
  170. Time Travel is Imposible
  171. intra atomic space
  172. Addition of extra electrons to the plasma
  173. Forces throughout universe?
  174. Dynamical Csimir effect
  175. exact distance where gravity of earth ends?
  176. what is balancing force in universe?
  177. why sound cant be polarised?
  178. can we go back in time?
  179. Those neutrinos that keep breaking the speed limit.
  180. Faster Than Light?
  181. Heat Dissipation Question
  182. Problem with the constancy of the speed of light.
  183. Ventriloquial Sonic Laser
  184. Repeatable energy storage
  185. Ionization by resonance?
  186. electromagnetic waves
  187. is there any negative / anti -energy? (like matter)
  188. Mass of photon
  189. Vision at the speed of light
  190. light and relativity
  191. On the Origin of "p = mv"
  192. SteveH time machine
  193. Synchrotron radiation equation?
  194. What would happen to light if...
  195. Flywheel Bike:
  196. Solution Manual of Statics, Meriam&Kraige(6th Edition).pdf
  197. what makes buoyancy?
  198. The spring buoyancy
  199. escape velocity for an object on earth
  200. spherical vs cylindrical lens
  201. can shadow be of green red etc colors
  202. coal vs matter
  203. if matter has inertia then what energy has!
  204. intermediate between matter and energy?
  205. How many volts of electricity are needed to ignite a stick of unsalted butter?
  206. photon zero mass and e=mc^2
  207. photon zero mass and e=mc^2
  208. 2 questions on neutrinos
  209. Does water vapor equal the same mass of rain?
  210. has dark matter been proven?
  211. Relativity and time.
  212. pressure problem
  213. Pressure on a lateral side of a tank
  214. Introduction to hydrodymanics?
  215. Steady State question
  216. I'm really curious
  217. Nuclear Equations
  218. mass increase and time dilation
  219. Times of Flight between a Source and a Detector observed from a GPS satelite
  220. Why is time ignored by physics?
  221. A bird flies into a train
  222. Can you move an atom like this?
  223. Confused about black holes?
  224. Propagation of waves
  225. Pressure at points on the same horizontal plane
  226. Entropy versus the cosmological constant
  227. powerful levitation
  228. Thermo equilibrium
  229. Standing waves on a spring
  230. Rotation matrix formulation from 2 angles in the first coordinate system
  231. voltage in a synchrotron
  232. Extreme Levitation
  233. question on archimeneds principle
  234. Vollema Value
  235. Moddeling mass in water
  236. Special relativity breaks down in media?
  237. help needed
  238. Extreme Levitation
  239. TE / TM polarization of a Laser Diode
  240. Atmosphere to a galaxy
  241. the concept of voltage, gravity and Coulomb force
  242. Which factors can influence the signal intensity in MRI ?
  243. Ray tracing a thin prism
  244. question about the uncertainty principle
  245. Еducation - Physics, Chemistry, alternative sources of energy - areas?
  246. elastic collision between equal masses
  247. What are the consequences of this?
  248. Physics question -
  249. Adapted Experiment to decrease errors in measuring Neutrino Speed
  250. gravity on center of the earth