
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...
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-propanol) and …
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
Why N-Butane & Isobutane Have Different Autoignition & Flash Points
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...
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/...
Flash Joule Heating (FJH) Method for treating process waste streams
Dec 18, 2009 · I caught the tail end of a video about a new application for treating chemical or process waste, which is applied to 'red' mud or contaminated bauxite residue, but the person of interest …
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...
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 discharged …
Spare Parts: Primary Arms red dot, grips, flash hider
Spare Parts: Primary Arms red dot, grips, flash hider Everything pretty much brand new. Installed everything, went to the range once, then it went into the safe. Funding my 1911 build. Located in …
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...