How do animals like whales not get the bends when breaching at high speeds from the depths? |
- How do animals like whales not get the bends when breaching at high speeds from the depths?
- What's the difference between a N baryon and a Δ baryon?
- What colour would a neutron star be?
- Why do planets further from the sun receive less energy from its light? How does 'empty' space diminish this energy?
- Why is it critical to have extremely accurate time, for Electricity distribution networks to function?
- How did scientists explain the formation of heavy elements (particularly elements heavier than iron) before supernovae nucleosynthesis?
- Will I get charged plates if I cut a capacitor in half?
- What field of physics does the ER=EPR conjecture fall under?
- Is there a unified Geiger Meter data set?
- How highly can you attenuate a magnetic field?
- Why do some particles interact with the Higgs boson while others, like photons, do not?
- Why is there no "electron radiation"?
- Why can't you explicitly calculate the schrodinger equation in computational programs like Gaussian?
- How does nuclear radiation behave as temperatures approach absolute zero?
- Why can warmer air hold more moisture?
- Why do isotopes have different half lifes?
- What influences the way each of our voices sound?
- If quantum particles only collapse from a superposition of wave functions when they are observed, what are the requirements to count as an "observer"? Can quantum particles observe themselves or other particles?
- How much experimental evidence do we have on the validity of the path integral formulation of quantum electrodynamics?
- how does twitter spam removal work?
- If time is dependent on speed, what is the reference point?
- When can we use dy/dx as a fraction?
| How do animals like whales not get the bends when breaching at high speeds from the depths? Posted: 29 Apr 2017 06:46 PM PDT |
| What's the difference between a N baryon and a Δ baryon? Posted: 29 Apr 2017 05:22 PM PDT What if both have the same quark content? What's the difference. Same with Σ and Λ baryons. [link] [comments]  |
| What colour would a neutron star be? Posted: 29 Apr 2017 04:15 PM PDT A neutron star is made up nearly entirely of neutrons, sometimes called Neutronium, so there are basically no electrons at all in the outside of it. Because this is the case, how would light react with it? Would the neutron star be like a mirror of sorts? Completely white? [link] [comments]  |
| Posted: 29 Apr 2017 02:08 PM PDT I was researching the factors that influence the surface temperature of planets and I was expecting to find that atmosphere composition (greenhouse gases and what not, Venus as an example) was the main factor, but it turns out the most important one was distance from the sun. How can light traveling through 'empty' space lose energy? [link] [comments]  |
| Posted: 30 Apr 2017 06:18 AM PDT I over heard a couple of Engineers at an Electrical power plant discuss the importance of having extremely accurate time through atomic clocks (something like 1 second of error over 3,000 years is minimum acceptable). Hoping some one could explain, exactly why such time accuracy is required, what does it enable? [link] [comments]  |
| Posted: 30 Apr 2017 03:54 AM PDT Surely there must have been some explanation for formation of metals like gold and silver before the phenomenon of exploding stars was discovered or even suggested? [link] [comments]  |
| Will I get charged plates if I cut a capacitor in half? Posted: 29 Apr 2017 12:06 PM PDT Say I charge a capacitor, then immediately remove it from the circuit. Now, there is no path between the two plates of the capacitor, so if I cut it in half, will I get one plate that is positively charged and another that is negatively charged? [link] [comments]  |
| What field of physics does the ER=EPR conjecture fall under? Posted: 29 Apr 2017 02:49 PM PDT As no department at my local university seems to believe that it is in their area of expertise. [link] [comments]  |
| Is there a unified Geiger Meter data set? Posted: 29 Apr 2017 02:30 PM PDT Most schools in the world don't have reliable access to a Geiger Meter or radioactive samples to measure, making lab experiments in physics class difficult to carry out. I want to build an open source program which will help simulate a Geiger Meter for classrooms. For that, I am looking for a unified dataset, or a formula which might help me extrapolate (simulate) the readings for different radioactive materials. For example, something in the lines of: If you hold 1 gram of radium 1cm away from a Geiger Meter, you get XYZ reading. Most sources I found are either about radiation on a global scale: https://api.safecast.org/en-US/measurements or theoretically describe what the readings would be... https://en.wikipedia.org/wiki/Geiger%E2%80%93M%C3%BCller_tube#/media/File:Detector_regions.gif I was thinking of pairing it with an easy DIY ionization chamber radon detector: http://www.techlib.com/science/ionchamber.htm [link] [comments]  |
| How highly can you attenuate a magnetic field? Posted: 29 Apr 2017 02:10 PM PDT |
| Why do some particles interact with the Higgs boson while others, like photons, do not? Posted: 30 Apr 2017 02:58 AM PDT |
| Why is there no "electron radiation"? Posted: 29 Apr 2017 03:13 PM PDT As I understand it, there is radiation that is made of particles (protons/neutrons/neutrinos(?)). But I have never heard of a radiation that would be made of electrons. There is probably an obivous reason for that, but I can not see it (yes, I tried google). [link] [comments]  |
| Why can't you explicitly calculate the schrodinger equation in computational programs like Gaussian? Posted: 29 Apr 2017 05:15 PM PDT I've been studying computational chemistry for awhile now but I'm perplexed by some of the theoretical aspects of comp chem. Mostly why it's easier to approximate a wavefunction for atoms with many Gaussian distribution functions rather than solving the schrodinger equation outright? Does this have to do with the many-body problem in quantum mechanics? If so, why is it not possible to describe the wavefunctions for big atoms? I know a full CI is the closest you can get to solving it outright but I don't understand how it works mathematically. [link] [comments]  |
| How does nuclear radiation behave as temperatures approach absolute zero? Posted: 29 Apr 2017 08:50 AM PDT |
| Why can warmer air hold more moisture? Posted: 29 Apr 2017 04:26 PM PDT |
| Why do isotopes have different half lifes? Posted: 29 Apr 2017 06:55 PM PDT Or more specifically, what determines the half-life of an element? Like, tritium has a much shorter half life than U-235, why is that? And are there any equations that would demonstrate this? [link] [comments]  |
| What influences the way each of our voices sound? Posted: 29 Apr 2017 02:04 PM PDT |
| Posted: 29 Apr 2017 08:57 AM PDT Let me start by saying I am beyond completely unqualified for this kind of stuff, but this question arose from a strange night when I was alone in my apartment. I was wondering if I am made out of quanta at some level and everything else is made out of quanta, then the question really is why does everything not seem to behave by quantum mechanics above a certain size? I knew that these particles behaved less strangely once they were observed and they collapsed, and I wondered if I was just a single, unobserved quantum particle, what would I see? Would I be in superposition or would I have collapsed into a single function? What about the particles around me? What would this imply about what I observe everyday in "normal" matter? I guess the above nonsense is the essence of my actual question, I don't have any of the education in physics to even begin answering my own questions, or even where to look, so I was hoping someone here might have some insight. Thanks in advance! [link] [comments]  |
| Posted: 29 Apr 2017 02:38 PM PDT Additionally, if we do have evidence, what are the main papers in which this can be found? [link] [comments]  |
| how does twitter spam removal work? Posted: 29 Apr 2017 04:47 PM PDT So usually when I enter to see what's on twitter's hashtags in the U.S. they are relatively spam free. However, when looking at hashtags from my country I see a huge amount of spam. I think that twitter has bots that delete spam, so I was wondering why they don't function as well in other languages. Is it just that there are more people spam bots in my country or does twitter spam detection work that much better in English? [link] [comments]  |
| If time is dependent on speed, what is the reference point? Posted: 29 Apr 2017 01:01 PM PDT If you move faster it is shown that time is passing slower. But since our earth is already moving around the sun and the solar system is moving to (...), what is the reference point that matters for the velocity? [link] [comments]  |
| When can we use dy/dx as a fraction? Posted: 29 Apr 2017 05:38 AM PDT I m on my last year of school so i dont have a lot of background on math but i couldnt find an answer to this. [link] [comments]  |
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