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