Is there anything the human body has three of? |
- Is there anything the human body has three of?
- If I were to push an object that is one light year long, how long would it take for the other end to move?
- Can quantum tunneling affect particles [i.e., electrons] and result in "jumping" from inside the event horizon to outside?
- What happens physically when I rotate the knob on an analog radio to change the station?
- Are there evidences from receptor studies in-vivo in-human in psychiatric diseases?
- Since light takes time to travel how many stars in our night sky don't actually exist anymore?
- Why did we use pig insulin instead of primate insulin?
- What do neutron stars really look like?
- Are there diminishing returns in the learning process? Do different learning styles tend to have different returns? Do we know why?
- How discrete are the energy levels that electrons can occupy? If a photon of wavelength 800 nm was required to promote an electron, would a photon of 800.00001 nm suffice?
- With all this talk of us losing our coral reefs within X amount of years, because of climate change or whatever. Has this ever happened before? Does the world go through cycles and after a certain time it'll all just grow back fresh and new?
- What part of the brain helps us keep track of time itself and how does it work?
- What stops us from being able to see SUSY particles if we are able to see standard particles just fine?
- Is science able to completely discount the possibility that there once existed on Earth any civilization as technologically advanced as our own, but now lost for whatever reason, say 100s of thousands, or millions or even a billion years ago?
- Can a neutron accelerated at large enough speeds break a helium atom into hydrogen atoms? If not can it at least release one nucleon from the atom?
- What happens when a radioactive atom involved in a chemical bond decays?
- How does an octopus know what colors to change to in order to blend in to its surroundings?
- What is E8, and how did mathematicians discover it?
- What will happen if Moore's Law doesn't continue?
- Why do the same number of molecular orbitals form from the amount of atomic orbitals they are made of?
- Laniakea and Virgo Superclusters - What one are we in?
- Do we have any approachable models that clearly show how dark energy acts? Have we every actually observed it?
| Is there anything the human body has three of? Posted: 09 Jan 2017 07:33 PM PST |
| Posted: 10 Jan 2017 05:17 AM PST Let's say you have a wooden plank that is a light year long and it's just there in empty space. If I were to push one end of it, when would the other end move? I see three options here:
P.S.: I'm a second year physics student so answers can go deeper into the physics of what's happening. [link] [comments]  |
| Posted: 09 Jan 2017 05:59 PM PST |
| What happens physically when I rotate the knob on an analog radio to change the station? Posted: 09 Jan 2017 03:33 PM PST |
| Are there evidences from receptor studies in-vivo in-human in psychiatric diseases? Posted: 10 Jan 2017 05:54 AM PST I know that most psychiatric diseases are attributed to chemical imbalance of receptors in the brain, and that the drug used to treat them focus on having an impact on such receptors. I also know that, especially like a decade ago, there were lots of tracers binding to these receptors in nuclear medicine (dopamine, serotonine and many Others). I was wondering whether they were used for studies in psychiatric diseases and if they gave us any useful insight about them! [link] [comments]  |
| Since light takes time to travel how many stars in our night sky don't actually exist anymore? Posted: 09 Jan 2017 09:33 PM PST |
| Why did we use pig insulin instead of primate insulin? Posted: 10 Jan 2017 04:09 AM PST Since humans are apes, why did we use pig insulin instead of those from other apes such as chimpanzees or baboons? [link] [comments]  |
| What do neutron stars really look like? Posted: 09 Jan 2017 07:36 PM PST Neutron stars are almost always depicted faint with surface features readily visible, spinning rapidly on its magnetic axis. However, pulsars such as the crab pulsar do not certainly look like this. Before you answer, just know I already l know what hotspots and the precessing astrophysical jets are, so you don't need need to explain it. What I'm curious about is the atmosphere of the star and how the magnetosphere and gravitational lensing affects it. Also how bright would the jet be in comparison to the neutron star? [link] [comments]  |
| Posted: 09 Jan 2017 02:07 PM PST |
| Posted: 09 Jan 2017 11:07 AM PST Assuming that the electron is originally at ground state. I know that electrons can only exist in discrete energy levels, but what is the margin of error for the energy of a photon that an electron can absorb to be promoted? [link] [comments]  |
| Posted: 09 Jan 2017 10:19 PM PST |
| What part of the brain helps us keep track of time itself and how does it work? Posted: 09 Jan 2017 11:24 AM PST |
| Posted: 09 Jan 2017 07:52 PM PST As far as my understanding goes we are completely able to see standard particles. What is stopping us from seeing SUSY particles (being that they do exist?)? Is it an equation we have yet to discover? Or am I just completely misunderstanding Supersymmetry? [link] [comments]  |
| Posted: 09 Jan 2017 07:43 AM PST |
| Posted: 09 Jan 2017 12:16 PM PST The title is pretty self explanatory. I do have another question: In general, when a certain particle hits an atom's nucleus, does it transfer energy to that nucleus ? For the nucleus to break, should the energy transferred be equal to the binding energy of said atom ? Edit: I tried to answer this question on my own but I don't know if what I did is correct since I didn't get a response on r/askphysics. Link to original post [link] [comments]  |
| What happens when a radioactive atom involved in a chemical bond decays? Posted: 09 Jan 2017 07:51 AM PST Would the bond be maintained or would it decompose? Would it make a difference whether it was an ionic or molecular bond? [link] [comments]  |
| How does an octopus know what colors to change to in order to blend in to its surroundings? Posted: 09 Jan 2017 11:51 AM PST |
| What is E8, and how did mathematicians discover it? Posted: 09 Jan 2017 10:44 AM PST I recently saw Eric Weinstein, on the Rubin Report, talk about certain inexplicable mathematical objects, such as E8. He gives a fairly decent explanation - that it is an object, shown by math, that exists in 248 dimensions - but this still leaves me without a clear picture of what it is. In what way does this object "exist"? How did math demonstrate this to us? How does one "discover" such a thing by mathematics? [link] [comments]  |
| What will happen if Moore's Law doesn't continue? Posted: 09 Jan 2017 01:12 PM PST As we are approaching the minimal size of transistors without quantum tunneling becoming a problem what will happen to the tech market and industry once the transitor ceiling is reached? Would the market and industry decline if tech development slows? Is there any potential developments that could over take current silicone based chips? [link] [comments]  |
| Posted: 09 Jan 2017 12:33 PM PST Hello I'm slightly confused about the number of MO's (Molecular orbitals) formed from AO's (Atomic Orbitals) I'm a first year Chemistry undergraduate and my textbook says there must always be equal amounts of MO's as there are AO's - As an example if 2 AO's were "merged" then I would have 2 MO's one of which is bonding and the other antibonding (See picture linked) MO Diagram: http://imgur.com/LdCffqw How is this possible? From my understanding bonding MO's occur when AO's constructively intefer whereas antibonding MO's occur when AO's destructively intefer. If 2 AO's form 2 MO's, this suggests to me that the AO's simultaneously participate in constructive and destructive inteference which doesn't make sense. Have I misinterpreted this concept? [link] [comments]  |
| Laniakea and Virgo Superclusters - What one are we in? Posted: 09 Jan 2017 08:18 AM PST So, I'm kinda confused. Some people say that we are in the Laniakea Supercluster, and some say we are in the Virgo Supercluster. I don't really understand. Are these just two names for one or something? Could someone maybe explain? Thanks. [link] [comments]  |
| Posted: 09 Jan 2017 07:41 AM PST From my (limited) understanding, matter bends space time to attract other matter. To simplify, planets bend space time in sort of a bowl shape (in all directions) that cause other matter to sort of "fall into" their gravitational field. Dark energy is the opposite. It bends space time to repel items, almost like an upside down bowl. By propelling matter toward something with a large gravitational pull, it will go straight into that object. If we propel matter toward an area the generates dark energy, the object would slow down, then potentially reverse/change directions depending on the trajectory. My question is this: First, is my understanding of dark energy somewhat correct? Are there areas of dark energy like there are areas with a gravitational field? My bigger question is this: have we ever done an experiment (maybe with photons?) where we have found an area of dark energy and could actually see it work or have our observations been purely mathematical? Thanks for reading! [link] [comments]  |
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