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

    Dec 31, 2022 · The first flash was so bright it immediately woke me up. I thought somebody just shined a bright flash light in my face from inches away. The second flash 5 seconds later, I …

  2. How to calculate flash point of mixture? • Physics Forums

    Jun 7, 2012 · Hey guys, I would like to create a mixture out of two liquids with an ideal flash point of around 70ºF. The liquids I have to work with are 200 proof (100%) isopropyl alcohol (2 …

  3. What caused the mysterious flash of light during 9/11 plane strikes?

    Mar 13, 2006 · Tapes of the planes hitting the WTC towers clearly show a flash of light just as the nose of the plane touches the side of the building. Four views of the second strike, and the …

  4. How Does a Grenade's Shockwave Cause Fatal Injuries?

    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, …

  5. Flash Point of Petrol & Diesel: Pressure & Self Ignition

    Aug 13, 2018 · The discussion focuses on the differences in flash points, boiling points, and self-ignition temperatures of petrol and diesel under varying pressures. Petrol has a lower flash …

  6. Camera Flash Circuit Explanation - Physics Forums

    Jul 22, 2012 · These two websites: http://www.increa.com/reverse/dc/ and http://thesignalpath.com/blogs/2011/06/12/camera-flash-circuit-and-nixie-tube-tutorial/...

  7. How many electrons are involved in a lightning flash

    Aug 28, 2005 · A typical lightning flash delivers about 35 coulombs of negative charge from cloud to ground. To determine the number of electrons involved, the charge of a single electron, …

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

    Aug 12, 2006 · I found some interesting stuff while doing some research and thought it might be useful...

  9. Why N-Butane & Isobutane Have Different Autoignition & Flash …

    Aug 22, 2012 · The autoignition temp of n-butane (straight chain) is 288 degree Celcius while that of isobutane (branched chain) is 460 degree Celcius. The flash point of...

  10. WTS surefire warcomp 7.62, shockwave blade, 1911 slides, flash …

    Oct 7, 2017 · Wts Trade for a surefire warcomp, mft minimalist stock Vortex viper 1-4 with vortex mount 325ftf 335 shipped...sold Kak shockwave blade 35 ftf 40 shipped Surefire warcomp …