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 …
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 …
How to calculate flash point of mixture? • Physics Forums
Jun 7, 2012 · Hi, a precise calculation, based in thermodynamics, is quite involved. However, if you Google something like "Effect of Additives on the Flash Point of Flammable Liquid" you …
Camera Flash Circuit Explanation - Physics Forums
Jul 22, 2012 · The discussion focuses on the operation of a camera flash circuit, particularly the behavior of the transistor within it. Participants explore why the transistor enters cutoff mode, …
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 …
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 …
Optimizing Camera Flash Performance: The Role of RC Circuits
Jan 29, 2015 · Homework Statement Consider the following circuit in a camera flash where a light bulb is in series with a charged capacitor: a) Derive, but do not solve, the governing differential …
Strange white flash in dark room. - Physics Forums
Jul 8, 2009 · Hi, Last night my girlfriend and I were lying in bed talking. We were facing each other and our faces were about 1m apart. The room was dark. Suddenly we both jumped because …
What Caused the Strange Flash of Light in My Bedroom at 3:57am?
Apr 15, 2022 · The flash was captured on a security camera, which also recorded ambient sounds, including snoring. The user emphasized that the power outage occurred five seconds …
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, …