Sep 22, 2011 · In the past, after Fleischmann and Pons announced their cold fusion results, in perfectly good faith, they were proven wrong by subsequent experiments. What are the experimental realities …

Oct 31, 2012 · The renaming is simply an attempt by Cold Fusion folks to politically distance themselves from Pons and Fleischmann, and people have a name for distancing the original discoverers--- it's …

I'm doing magnification and lens in class currently, and I really don't get why virtual and real images are called what they are. A virtual image occurs the object is less than the focal length of...

Oct 16, 2018 · The reason, a Whip hurts so much is that the tip of whip moves extremely fast, causing the skin to tear. The reasoning behind this is easy to analyze from momentum conservation. Lets …

Oct 4, 2015 · Why does water reflect light? What is actually happening when light is reflected by water? We know why metals reflect light; water, however, is not metal, but it still reflects light and we can see...

Apr 10, 2017 · +1 for spotting the explanation/wording that directly addressed what the asker was having difficulty understanding. Perhaps worth explicitly mentioning: this also means that there is no …

Physics Stack Exchange is a question and answer site for active researchers, academics and students of physics and astronomy. It's built and run by you as part of the Stack Exchange network of Q&A …

There has been endless confusion about how this type of whistle really works. If you investigate the flow pattern, you see the sort of vortex patterns in your picture, but that doesn't necessarily mean the …

Dec 14, 2012 · Asume we have a particle sitting at the point A(0,0) in a gravitational field. (g=9.81) It is going to move along some path to the point B(a,b) Where a>0 and b<0. What is the curve the …

Nov 30, 2015 · The iconic cooling towers at most nuclear power plants are shaped like hyperboloids. Wikipedia mentions that this is because the wide base promotes thin film evaporation and the narrow …