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Jan16-12 Greg Bernhardt
The aim of this thread is to highlight recent (as in within the past 3 months) noteworthy physics papers that have...
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Before posting anything, please review the Physics Forums Global Guidelines. If you are seeking help with a...
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Assuming that process of electrons releasing photons isn't instaneous, what happens during the transition? I'm also...
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Hi: New to this forum and have a quick question. Hope I'm posting in the right area. First of all, I'm not an...
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hi I am working on a project on cultural aspect of science. I would like to know what you feel about (a) which...
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I read somewhere something about observability, and things which are infinitely big, or infinitesimally small. ...
Jan23-06 11:59 PM
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When ice is @ eqilibrium with water, the pressure is increased, what happens to the eqilibrium?
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I've been reading the book titled Physics, published by the Physical Science Study Committee (PSSC). It seems to me it...
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Without getting into a mathematical explanation, can anyone who reads this posting explain to me how there can be a...
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Hello, I am about to do a summer project on" ultrafast laser spectroscopy". three months left. Now i am an...
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Can anyone shed any light on how this water powered calculator works please?...
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I make Daguerreotypes ( and I have decided that I want to move from the...
Jan22-06 06:17 PM
Claude Bile
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Has anyone created a radio laser, if not why not if you know...
Jan22-06 06:01 PM
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What is it called when an object accelerates sideways?
Jan22-06 12:28 PM
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Hey everyone, I found an AWSOME site that broadcasts science programs for free over the internet. ...
Jan22-06 01:25 AM
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Hi, I've had a introductory class to Photonics last year, and now we're elaborating on a few things in my class of...
Jan21-06 05:07 AM
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Hey guys, do you know a good website that explains Work, Energy and Power for High School Physics Thanks
Jan20-06 06:33 PM
Doc Al
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Is it possbile to covert heat energy (like that from the surface of a hot radiator) to electric energy? Whats the...
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I was wondering if anyone would be able to answer this question for me: Where the the energy collected from wind...
Jan19-06 05:12 AM
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Hello. I was just wondering. What if you build a big vacuum sphere (of glas?) about 1-3 m in diameter and took a...
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Hey! I just got this new electrostatic generator and I wanted to know if any of you guys have any cool experiments...
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I can't figure out the correct explanation for this gedanken. 1) We have a room in deep space which is shielded...
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Hi Everybody, I am a newbie here at Physics forums. Physics is one of my favorite subjects. I have a doubt...
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Meir Achuz
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This question has not rendered any respons at all in the forum for Astronomy & Cosmology. Maybe it is more relevant in...
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We're all familiar to the fact that when you for example put two fingers together, they aren't really physically...
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I've been trying to wrap my mind around how a balance works, and I come up with a question I need help with... If you...
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Chaos Pariah
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As you know wi-fi is a radio signal and i'm wondering if physics can help me by determining why is my internet acting...
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Hi do u know anything about fermi zones? I need some good articles to read about...
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Kouros Khamoushi
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I have a question regarding triboluminescence that I was hoping someone could help me with. Late last night, in the...
Jan15-06 07:46 AM
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Hi everyone. I have a question that my friends and I have debated for several years. I think I'm right and everyone...
Jan14-06 11:12 PM
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Assuming a typical white-light focusing flashlight (e.g, Mag-Lite) with a parabolic reflector focused to produce a...
Jan14-06 10:15 PM
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ok, i have forgotten my thermodynamics, and need a confirmation for my thoughts here... if youd compress He gas...
Jan14-06 06:07 AM
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Hey guys and girls, Just letting you know some of the work that a few people here at IMEC have been working on....
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I was in a car on a rainy day and saw that the drops on the window were sliding down the window at about 45 deg. , I...
Jan13-06 09:38 AM
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Amusement park rides, espically roller coasters, atract thousands for their ability to let people experience "zero ...
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Yesterday in my physics lesson we were covering electromagnetism and my teacher mentioned the speed of light in a...
Jan12-06 10:09 PM
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I know the half life period property of a radioactive element. At present I also studied the half life principle of...
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Hello This is a section from a textbook... "an ampere is defined as that current in each of 2 infintely long...
Jan11-06 11:48 PM
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In e=mc^2, why is c squared? The (mc) isn't squared, right? Please don't be insulted by the remedialness of...
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Would it be possible or practical to access the electric potential of wind-generated sand static in the desert?
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I'm curious about how very small forces are actually measured in the lab. I read somewhere that a dyne, for instance,...
Jan10-06 02:38 PM
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