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

    Dec 31, 2022 · Last night I was awoken by what seemed like an extremely bright flash of light. I sat up and saw another bright flash of light just outside my bedroom that...

  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 · What caused the mysterious flash of light during 9/11 plane strikes? Chi Meson Mar 13, 2006 conspiracy

  4. AAC Blackout Flash Hider, Armadynamics Charging Handle, and …

    Jan 5, 2022 · AAC Blackout 18T Mount Flash Hider (sold to: firefox 1969) Previously mounted, but never used. Original packaging included. Armadynamics Ambi Charging handles (asking …

  5. 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...

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

    Aug 13, 2018 · Flash point temperature of petrol is lesser than that of diesel at the same pressure. Does this mean, if I take petrol and diesel as liquids in separate...

  7. Find Capacitance for Camera Flash Unit - Physics Forums

    Jun 16, 2009 · Homework Statement The flash unit in a camera uses a special circuit to “step up” the V = 3.1 V from the batteries to V' = 300 V, which charges a capacitor The capacitor is then …

  8. 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/...

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

    Oct 6, 2008 · In other words, how does a "blast" actually end up killing someone? I realize that if shrapnel or something goes through you, you'll probably die, but how does the shockwave …

  10. How many electrons are involved in a lightning flash

    Aug 28, 2005 · A typical lightning flash delivers about 35 C of negative charge from cloud to ground. How many electrons are involved? Im not extactly sure how to...