View Full Version : Physics

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  1. Re Alex Euler & test Question
  2. GPS clock correction
  3. Do some current Popular Theories meet falsifiability?
  4. Foucault pendulum
  5. Why doesn't the earth leave its orbit?
  6. Newton's Bucket?
  7. Capillary Power.
  8. How forces work during hammerthrow
  9. E8 Theory vs M-Theory
  10. electron confinement
  11. Is Time Really a Dimension?
  12. The Expansion of Space effects on Energy/Matter
  13. If my arm would be much more massive than the rest of my body would my body actually move backward instead of my arm forward
  14. how muscle force work
  15. Vacuum Evaporation
  16. What choice do we have?
  17. what is a newton meter?
  18. How could Velostat made by 3M/Electrical Conductive Sheets shield electric fields?
  19. Are dimensions real, or just our way to describe what we experience?
  20. Quantum Mechanics | A few questions and proposal
  21. quick question
  22. Could Photons Be Used to Build Something?
  23. 23kHz Acoustic Sound Wave
  24. Coronal Mass Ejection - Effects on Us
  25. What indicates if object will be reflected - certain example
  26. What cause electric discharges around charged object (like generator)?
  27. Terminal Velocity?
  28. Smallest object with a disproportionate weight.
  29. I need a way to block Ultrasound Frequencies between 19-800kHz, as well as radio frequencies via helmet?
  30. Gravity Affect on Time
  31. The Uncertainty Principle
  32. The interior of a Proton (as an example)
  33. Mass number & density question
  34. Use the lens formula to show that f^2 = ab
  35. Calculate the threshold wavelength of the metal
  36. Deflection of light in classical physics
  37. Does global pull of a body vary with distance?
  38. Non-Circular Wheel vs. Circular Wheel
  39. Dimensionality of Light and Shadow
  40. electrostatic solid switch question
  41. Does Energy Affect Gravity and the other way around?
  42. Deflection of light
  43. General word for content of the universe?
  44. What materials if any are difficult for ultrasound to travel through!?
  45. Bubbles
  46. Physics Question | If we knew exactly how the Universe worked couldn't we predict it's future
  47. Friedmann cosmology for the layman reader
  48. Speed of light constant,or avarage speed of light constant,or both ?
  49. Which is better for an Ultrasound proof hat(.2-8.0kHz, 135-140dB) Polymethylmethacrylate or Polycarbonate, and how thick must the helmet be?
  50. Our Range to E.T.
  51. Photons and E=mc2?
  52. the Uncertainty Principle
  53. Issue with Maxwell equations
  54. A Question about Positive Lightning
  55. Expanding universe breaks the laws of physics?
  56. Galaxies Travelling Faster Than the Speed of Light?
  57. Absence of time
  58. Reflection of sky mirage on a hot road
  59. Gravity Effects
  60. The Speed Of Light Might Be Wrong
  61. Twin paradox
  62. DB Level?
  63. Grassman variables for Hamilton cycle problem?
  64. Recommended Introductory Book
  65. Is Microwaved Food Bad For Your Body?
  66. car crash
  67. Age of the U
  68. Ferromagnetic Plate B-Field Definition Question
  69. Finding the x and y components
  70. Does a Higs Boson particle have mass ?
  71. Quantum causality
  72. Particles of Matter
  73. how do you get supplies from a stationary space elevator while your spacecraft is orbiting the Earth at orbital speed
  74. shooting on a motorway
  75. Position in the universe?
  76. molucular motion at absolute zero
  77. A new type of thermoelectric generator
  78. Energy
  79. How do Proteins move?
  80. space and gravity in relation to planets
  81. Time Dilation in Objects in Relative Rotation
  82. CMB redshift
  83. Why is the double slit experiment seemingly a mystery?
  84. Atom
  85. Theories explaining creation of the universe.
  86. transreceiver manufacturing
  87. Difficulty separating this heterogeneous mixture in water
  88. Why is the direction of torque perpendicular to the direction of force applied?
  89. The First Atom Successfully Teleported!
  90. Light blueshifts : freq. shorter, and amplitude ?
  91. Temperature and Blackholes
  92. Is combustion endothermic, too?
  93. Latest Paper by T. Padhmanaban may 2014
  94. Unlimited bandwidth with twisted radio waves?
  95. Negative Energy Proven? Hoax?
  96. physics and astronomy
  97. I don't understand how a lever works
  98. The physics of car jumping
  99. Magnetic Questions
  100. All Motion is Relative?
  101. capacitor throught experiment
  102. Question: light speed in airplane vs outside airplane
  103. Creating matter from light
  104. high frequency sounds
  105. Optic Fibre Cables
  106. Speed of Light. Please HELP my argument
  107. Interaction between real particles and virtual particles
  108. sound of breaking brick
  109. Ideal frequency for cell phone communication
  110. Ice. Less energy = more order
  111. Incorporating dark matter/energy into Einstein's field equations
  112. About Light
  113. What is Light made of?
  114. What is the fastest speed a spaceship could possibly go?
  115. Light-matter interaction
  116. Acceleration question
  117. A Forever Expanding Universe - Our Point of Reference?
  118. Lorentz transformation derivation.
  119. what is the fastest possible thing?
  120. This is a general problem from "Fundamentals of Physics". Can anyone solve it?
  121. How do we prove maximum acceleration in vertical SHM is equal to g?
  122. Why is acceleration inversely proportional to the mass?
  123. Anti-Gravity or Gravity Nullification
  124. correction
  125. is the speed of light fully covariant
  126. is a point in physics a fermion or a boson ?
  127. How much mass does an object need to acquire an atmosphere?
  128. Identifying a term
  129. The easiest to understand abstract of a scientific paper - EVAH.
  130. Covariant Electromagnetism Primer
  131. Tilting a spinning wheel
  132. Quantum physicists propose time emerges from quantum entanglement
  133. About absolute zero
  134. Electromagnetic absorption
  135. Calculating a charge in a gravitational field using total relativistic format
  136. Does gravity create endless energy?
  137. perfect dielectric
  138. Blackholes exploding?
  139. the train and tunnel paradox
  140. Questions about Gravitons
  141. Cute little applet from cal tech about the field of a moving charge
  142. Does the expansion of the universe create endless energy?
  143. Solar cell around the earth.
  144. Parallel axis or Huygens–Steiner theorem
  145. The Big Bang
  146. Photons Behaving As a Wave
  147. Complementarity with single slit diffraction
  148. Spontaneous Emergence of the Universe
  149. Point Particles
  150. Electron electric dipole magnetic moment
  151. what if the big bang consisted of enough energy to make the universe
  152. Dirac on sub atomic particles.
  153. Heat Death/Black Holes
  154. Another stupid question..
  155. Electron shell
  156. The speed of light constant
  157. Mbemba effect
  158. How ships and planes work?
  159. Some questions on astrophysics...
  160. spacetime curvature and weight
  161. How ions conduct electricity in air?
  162. Theory of Inflation
  163. buoyancy
  164. Is the whole Energy (+mass) of the universe constant?
  165. The composition of the Universe
  166. Need help for science project!
  167. Is gravity 100% efficient?
  168. Help...again
  169. Atom in 4 spatial dimensions
  170. A spinning magnet in vacuum
  171. Relative size and understandings
  172. Calculating radioactive transmission in mixed materials
  173. How much downward force does an average person exert upon the ground when they jump standing still?
  174. Please stop saying that during the inflation period the universe expanded faster than light. Just please
  175. is possible to create shield like in 2007 movie Sunshine ?
  176. Newton's 2nd law for open mass systems
  177. Charge produced at the end of an insulated conductor rod using electrostatic induction
  178. Practical uses for formulas
  179. H mode, ITER, neutrons
  180. QM explanation
  181. String theory question...
  182. instanous velocity elastacity
  183. Does red shift ...mean the Universe is really increasingly expanding?
  184. Light is infinitely young?
  185. Woah, any help?
  186. Help with relativity!?!
  187. The Universe and a quark
  188. Electron magnetic dipole moment
  189. Using electrolysis in scuba diving
  190. quantum arrow of time
  191. Negative mass and gravitation
  192. Linear alternator
  193. Question about Dark Energy
  194. prism light-box head-scratcher
  195. Question of sound energy
  196. Spacetime - A Primer
  197. The Big Rip
  198. Huge Amounts of Energy
  199. Expanding Universe
  200. Black holes not pathways
  201. The threshold for superposition collapse in double-slit experiment
  202. What happens when various radio waves interact with the ionosphere?
  203. What effect does earth's Magnetic Field have on electromagnetic radiation?
  204. H fine structure
  205. Water velocity near a charged object.
  206. Does electrical field affect the plasma?
  207. Cores of plantes
  208. What factors could change electrostatic force?
  209. Quick question.
  210. Quantum Electron Speculation
  211. Is magnetism less fundamental then electricity?
  212. Tesla coil
  213. shootiing an electron
  214. Gain Energy from any temperature?
  215. Einstein's obsessed question;
  216. publishing under a reputable journal of physics
  217. Relativistic KE
  218. Hydrogen atom
  219. heat question
  220. Hitting the light speed breaks.
  221. Heat conduction in space
  222. Electric Field
  223. Electrical potential
  224. Why is anything an Ohmic Device?
  225. "The Theoretical Minimum" from Leonard Susskind
  226. An amplituhedron? QM
  227. A velocity problem from a lamen
  228. Photons and expanding waves of light.
  229. gravitational field of photons/electromagnetic radiation
  230. Just wondering...
  231. Effect on capacitance from stacking materials with different dielectric constants
  232. What is "displacement currents" really is?
  233. How can a grounded conductor repel a charged object?
  234. website good for studying physics/chemistry
  235. Probably a stupid question...
  236. Thermodynamics - superheated state and diagram
  237. Free Energy?
  238. Newb Q: What happens if you push something big in space?
  239. Dark energy
  240. Conformal symmetry group
  241. Walking with coffee
  242. Why does condensation need a surface?
  243. Fun with physics - new edition of the free pdf book
  244. Removing clothing wrinkles using ultrasonics or similar
  245. electromagnet forces
  246. simultaneity and black holes
  247. Moisture content is a (?) variable
  248. Developping a stand up help
  249. Speed of data traveling in relation to speed of light
  250. Question about Twin Paradox