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 …

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 …

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 …

Nov 3, 2015 · "Pressure has almost nothing to do with pressing water molecules closer together". I hear this often, but after much research on this, I don't think this is correct. I think it actually has everything …

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...

Aug 29, 2025 · Yes, but I was trying to find the absolute entropy (like the one in the Boltzmann definition), not the Δ. So I thought to do this. Once we know that ΔS=Cln (T2/T1) we can split …

Sep 25, 2017 · I have a question about doping a tungsten wire with thorium to improve the thermionic emission. I have found that the doping lowers the work function of the system, resulting in a …