2022年12月31日 · 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 …

2012年6月7日 · To achieve a target flash point of around 70ºF for a mixture of isopropyl alcohol and aliphatic hydrocarbons, a precise calculation based on thermodynamics is necessary. …

2010年9月23日 · The flash is just as bright as sunlight at daytime. The room (kitchen) is in the second floor and is in connection to the living room. The room has a new kitchen now, but …

2006年3月13日 · The discussion centers on the mysterious flash of light observed during the 9/11 plane strikes on the World Trade Center. Some participants speculate that the flash could be …

2006年8月12日 · The discussion focuses on the properties and chemical compositions of various jet fuels, specifically JP-5, JP-8, and JP-10, highlighting their hydrocarbon mixtures and …

2009年7月8日 · A couple experienced a brief flash of white light while lying in bed, prompting speculation about its origin. They ruled out common explanations like static electricity or …

2009年2月10日 · These are the kinds of thought experiments which led Einstein to develop special relativity, which includes the fact that no one can go at the speed of light.

2008年10月6日 · A grenade's shockwave can cause fatal injuries by delivering a high-speed blast of compressed air that damages the body similarly to a vehicle collision, despite having less …

2012年7月22日 · 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 …

2006年6月7日 · The discussion focuses on calculating the flash frequency of a blinking light circuit using a neon lamp. The circuit charges a capacitor until it reaches 75V, at which point the …