Why in binding energy calculations do we include emitted neutrons but not electrons? |
- Why in binding energy calculations do we include emitted neutrons but not electrons?
- Do man-made electronics cumulatively make a significant contribution to the Earth's magnetic field?
- Could scientist determine what emotions a person is experiencing by looking at brain scans only? If so, could the same technique be used on animals?
- What are the reasons why we can't get rid of toxic waste and non-recyclable materials by throwing them into space?
- How do power lines work ? What happens when there is a downed power line and how is it fixed?
- Why is the center tap on a residential pole transformer at 0 volts?
- Is there a way to allow a portion of an EM field to pass through a material that would then prevent it from escaping?
- Has modern medicine helped or hurt human evolution?
- What happens in our blood circulation when we go pale after "seeing a ghost"?
- Do the Marine Isotope Stages 1 and 5.5 reflect high or low eccentricity ?
- How do H2 molecules behave in a double-slit experiment?
- If you hit a small bouncy ball and a normal sized baseball with a baseball bat, which will travel the most distance?
- Why do penises originally grow in response to testosterone, but then stop growing even though testosterone is still produced?
- How could we go about converting energy into matter?
- What are the differences between taking two 20mg pills and one 40mg pill?
- Do x-rays occur in nature?
- How do you construct phylogenies?
- Why are there so many different units of measurement that deal with radiation?
- Way to detect and cancel high pitch noise?
- What happens to your vocal cords when you lose your voice?
- How much has battlefield medicine/field surgery changed since WWII?
- What happens in a neutron-neutrino interaction?
| Why in binding energy calculations do we include emitted neutrons but not electrons? Posted: 30 May 2017 04:55 AM PDT (not asking for help on a specific question) In the first part of the decay a neutron is fired into a nucleus the decays and produces 2 daughter nuclei and some other emitted neutrons. We include these in the binding energy calculations. After this the two daughter nuclei decay via beta emission. Producing emitted electrons. We don't include these in the calculations When I say calculations mean using binding energies and mass difference. In both cases the particles are emitted and not part of a nucleus. Is it because the neutrons have nuclear forces between the quarks inside them? Is it because the neutrons were initially a part of the nucleus? But then what about neutrons that are fired into the nucleus? Do they count as being a part of the nucleus too? [link] [comments]  |
| Do man-made electronics cumulatively make a significant contribution to the Earth's magnetic field? Posted: 29 May 2017 05:40 PM PDT |
| Posted: 29 May 2017 06:39 PM PDT |
| Posted: 30 May 2017 12:49 AM PDT |
| How do power lines work ? What happens when there is a downed power line and how is it fixed? Posted: 29 May 2017 06:00 PM PDT Not sure if this is the right sub reddit for this , but I'm interested in the science behind power lines and how they work [link] [comments]  |
| Why is the center tap on a residential pole transformer at 0 volts? Posted: 30 May 2017 06:53 AM PDT Is it because there's a standing AC wave in the secondary winding with a node at the center, or is it because it's tied to the earth there? Or some other reason? Thanks! [link] [comments]  |
| Posted: 30 May 2017 02:23 AM PDT I am doing an experiment but I was trying to out if there is a material that would allow EM field pass through only in one direction? The idea is a isolation portions of the energy so a Faraday cage would not work as the field would be more or less absorbed by the cage. Ideally I would like to find something that works like a one way mirror. Thanks! [link] [comments]  |
| Has modern medicine helped or hurt human evolution? Posted: 29 May 2017 06:21 PM PDT Since people tend to live longer despite illness and genetic abnormalities it seems like we are decreasing the effects of natural selection. [link] [comments]  |
| What happens in our blood circulation when we go pale after "seeing a ghost"? Posted: 30 May 2017 04:31 AM PDT |
| Do the Marine Isotope Stages 1 and 5.5 reflect high or low eccentricity ? Posted: 30 May 2017 04:16 AM PDT |
| How do H2 molecules behave in a double-slit experiment? Posted: 29 May 2017 05:42 PM PDT As I poorly understand it, placing a camera in a classical double-slit experiment collapses the particles' wave functions, fixing their position to a narrow window and preventing the large-scale wave interference that would otherwise occur. The idea that a particle's position is not fixed is a tough one to fathom, and I have spent some time imagining how particles act once they are bound up in a molecular structure. Surely, baseballs thrown at a double-slit wont interfere with each other, so where can we draw the line? The smallest molecule I can think of is H2, but I cant imagine how being bound to each other would influence the wave structure of the two hydrogen atoms. Can somebody help me out? [link] [comments]  |
| Posted: 30 May 2017 03:41 AM PDT |
| Posted: 29 May 2017 10:29 PM PDT |
| How could we go about converting energy into matter? Posted: 30 May 2017 06:43 AM PDT We've been converting matter to energy on an industrial scale since the 1940's - but has anyone been able to / does anyone know how we would turn energy into matter? I know this has no practical use, but it'd be interesting to know. [link] [comments]  |
| What are the differences between taking two 20mg pills and one 40mg pill? Posted: 29 May 2017 06:57 PM PDT |
| Posted: 29 May 2017 04:57 PM PDT |
| How do you construct phylogenies? Posted: 30 May 2017 03:33 AM PDT When constructing phylogenies, how do we determine which traits were inherited from a common ancestor and which traits may have evolved independently in a different lineage? To give an example, one thing that ties early whales to artiodactyla is the shape of the astragalus. How do we know it didn't even evolve independently? [link] [comments]  |
| Why are there so many different units of measurement that deal with radiation? Posted: 29 May 2017 06:19 PM PDT Rads, Rontgens, Grays, Becquerel, Sievert, Curies, etc. Why are there so many? [link] [comments]  |
| Way to detect and cancel high pitch noise? Posted: 29 May 2017 01:08 PM PDT Lately my dog has acted the way he behaves when he hears fireworks. He shows anxiety, tries to climb on me, licks his lips. There are no human discernible noises during these episodes. It's only a theory but I am wondering if he is hearing something I can't hear. Is there an affordable , attainable device to detect noises dogs hear? How about one to cancel them out in his general environment? Granted it could be something else. He'll go to the vet. But now I'm curious about the sound detection and cancellation. [link] [comments]  |
| What happens to your vocal cords when you lose your voice? Posted: 29 May 2017 04:14 PM PDT |
| How much has battlefield medicine/field surgery changed since WWII? Posted: 29 May 2017 06:19 PM PDT I watched a large portion of ''Saving Private Ryan'' today and Wade's death really got to me, but it also got me wondering how much battlefield medicine had changed since the second World War. So, has it changed and how much has it changed? If Wade had the same injuries in a war today, would he survive? [link] [comments]  |
| What happens in a neutron-neutrino interaction? Posted: 29 May 2017 12:15 PM PDT I was wondering what happens in a neutron-neutrino interaction. Is it similar to beta minus decay in the sense that the down quark changes into an up quark and a w boson and that w boson decays into an antineutrino and an electron, then the antineutrino and neutrino annihilates? I couldn't find any answers in any of my resources and on this sub too, unless it's hidden deep within a question about beta decay. [link] [comments]  |
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