2022年12月31日 · 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). …

2010年9月23日 · 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 …

2012年6月7日 · 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 …

2006年8月12日 · 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 …

2008年10月6日 · 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 …

2006年6月7日 · The RC cicuit will charge from the 110V power suply, and when the capacitor reaches 75V the neon lamp will become a good conductor and will immediately discharge the …

2018年9月13日 · Nevertheless I only ever saw the white flash when my eyes were closed except for the odd time during the day where I thought I saw something but couldn't be sure. BCHydro …

2016年6月15日 · If this is an ET vulnerable to fire, then just pick the flash point for the material closest to its composition... that would start it burning. However, you want it to burn quickly... it …

2017年1月26日 · I saw strange flashes of light last night in a dark room and am wondering what caused them. They seemed the only happen when I moved the comforter, but it was not …

2017年2月5日 · When you look at Sirius, it blinks in white/blue/red and even green colors. Why does this happen? Please answer it with details(as my researched gave me answers like …