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  1. Jet Fuel, JP-5, JP-8 & DFM: Properties, Chemical Composition ...

    Aug 12, 2006 · They contain hundreds of hydrocarbons as well as many additives. The actual composition of any given fuel varies depending upon source of the crude oil, refinery …

  2. Strange white flash in a dark room - II - Physics Forums

    Sep 23, 2010 · Even comparatively dim flashes could appear bright when your eyes are in that situation. Even though the flash itself might only last a tiny fraction of a second, the image …

  3. How to calculate flash point of mixture? - Physics Forums

    Jun 7, 2012 · However, if you Google something like "Effect of Additives on the Flash Point of Flammable Liquid" you will find that you can begin by adding water to the alcohol to raise its …

  4. Unexplained bright flash of light inside house - Physics Forums

    Dec 31, 2022 · From the video, the initial flash was very short, showing up at full brightness only for two frames (although it was preceded by a couple of frames showing a partial flash). …

  5. Debunking the Myth: Do LED Lights Flicker? Get the ... - Physics …

    May 21, 2020 · Many LED bulbs produce flicker - a rapid switching between on and off states. Because the flickering happens at a very fast rate - typically 120 times per second or faster - it …

  6. Removing the flash hider from the C93 (HK93 clone)

    So, just got around to doing this article and felt the need to post it here. It's on how to remove the flash hider from the muzzle of Century Arms' C93 rifle, although it should work for most HK-9x …

  7. SureFire 4 prong flash hider - Calguns.net

    May 3, 2025 · SureFire SOCOM 4-Prong FH556RC $180 Brand new in packing old stock SureFire 556 1/2x28 flash hider. Price includes shipping. Zelle, PayPal F&F, venmo

  8. Question on the speed of light. - Physics Forums

    May 27, 2008 · An observer sees a lightning flash from a distant thunderstorm and 12 seconds later hears the second. If the temperature of the air is 20 degress celsius, how far from the …

  9. How Does a Grenade's Shockwave Cause Fatal Injuries? - Physics …

    Oct 6, 2008 · Stun grenades, or "flash bang" grenades, operate on this principle. They produce a large blast but almost no shrapnel. The noise and brightness of the flash are very disorienting, …

  10. Boyle's flask - really? how? and what if? - Physics Forums

    Oct 22, 2012 · Assume that a 100m long (probably irrelevant) train travelling at 30m/s, with a mass of 100.000 Kg passes next to a man/woman of 100 Kg standing still at 1 m away from …

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