Does language affect the way a person's vocal chords develop? |
- Does language affect the way a person's vocal chords develop?
- Is there a limit to how many elements there can be?
- What was the weather like in northern parts 13,000 years ago that humans would consider and make the trek from Asia to NA?
- Are we capable of fission reactors for electrical space propulsion?
- How does electricity get to the load with AC?
- Is motion relative even at the quantum scale?
- Do dogs know that cats are cats?
- Is an electrocardiogram sensing actual current or an electromagnetic field?
- Have we contaminated space with life from earth?
- Can particles still be entangled when one of the pairs is in a black hole?
- If you could detect and measure Hawking radiation, could you tell what was inside of the black hole?
- How do astronomers and organizations like NASA determine characteristics of exoplanets such as wind speed and weather?
- What holds the nucleus of an atom together?
- How does someone develop an allergy?
- How does the collapse of a star decay the protons and electrons into neutrons?
- Potentially stupid question, would it be possible to surgically insert magnets into the stumps of people who has lost hands to allow them to pick up metal objects easier?
- Is it possible to make a light source that emits an equal intensity of every visible wavelength? Why or why not?
- When having children do you physically pass on a piece of your DNA or is a copy of your DNA somehow made and passed on?
- Will the electrons in the wire of the generator run out?
| Does language affect the way a person's vocal chords develop? Posted: 01 Sep 2017 05:58 PM PDT |
| Is there a limit to how many elements there can be? Posted: 02 Sep 2017 04:09 AM PDT |
| Posted: 02 Sep 2017 06:31 AM PDT |
| Are we capable of fission reactors for electrical space propulsion? Posted: 02 Sep 2017 05:21 AM PDT Considering future interplanetary exploration using electrical engines we will need powerful and efficient electrical power sources. As far as I know solar panels are not capable of supplying a mass per kilowatt efficiency required by power heavy engine types like MPD arcjet or Vasimr, especially for the exploration of the gas giants. Would proper fission reactors (other than the weak RTGs) be feasible in our current technological and industrial capabilities? Or are they currently science fiction? [link] [comments]  |
| How does electricity get to the load with AC? Posted: 02 Sep 2017 04:54 AM PDT Hello reddit, first of, English is not my native language, so my apologies in advance if I make any mistakes. I'm an electrical engineering student but I haven't really understood how the electricity gets to the load with alternating current. I know that with AC, the polarity changes (50Hz in Germany), so the electrons sort of "vibrate" back and forth, therefore they basically stay in the same place. I've read that not the electrons, but the electric field is the important factor. I just don't understand how the electric field makes the electrical load (correct term? The device that should be powered) work. How does the load get the electricity it needs? Edit: I've read that the "vibrating" electrons create energy. But what kind of energy? And how does it get to the load? Also, if the electrons aren't really "used" by the load, how does DC work? The electrons flow to one direction, so they have to flow "into" the load at some point. What happens to the electrons then? I would appreciate some help very much! Sorry if this questions has been answered before. [link] [comments]  |
| Is motion relative even at the quantum scale? Posted: 02 Sep 2017 04:31 AM PDT |
| Do dogs know that cats are cats? Posted: 01 Sep 2017 05:35 PM PDT I know that dogs can differentiate between humans and other dogs, and that cats think that humans are essentially weird cats, but do we know what dogs think of cats? [link] [comments]  |
| Is an electrocardiogram sensing actual current or an electromagnetic field? Posted: 01 Sep 2017 08:14 PM PDT I think that the ECG is sensing current, since you need the wet electrode pads and skin impedance is an issue. I know that the action potential in the heart is created by sodium ion movement through cardiac tissue, which would create an electromagnetic field, but how does that create a current that would travel to where the electrodes are? Is there some influence on electrons outside the heart that the ECG is sensing? I hope I made my question clear, thanks for taking the time! [link] [comments]  |
| Have we contaminated space with life from earth? Posted: 01 Sep 2017 05:48 PM PDT For example, do we know if the Voyager probes or the Curiosity rover did not carry (living or dead) bacteria, viruses, or other microorganisms (e.g. tardigrades) into space or other planets? Are there normally steps taken before launch to prevent this? [link] [comments]  |
| Can particles still be entangled when one of the pairs is in a black hole? Posted: 02 Sep 2017 02:17 AM PDT |
| If you could detect and measure Hawking radiation, could you tell what was inside of the black hole? Posted: 01 Sep 2017 10:06 PM PDT |
| Posted: 02 Sep 2017 12:41 AM PDT |
| What holds the nucleus of an atom together? Posted: 01 Sep 2017 02:40 PM PDT |
| How does someone develop an allergy? Posted: 01 Sep 2017 04:32 PM PDT |
| How does the collapse of a star decay the protons and electrons into neutrons? Posted: 01 Sep 2017 12:53 PM PDT So the basic idea of the birth of a neutron star is that the incredibly massive ball of H, He, and other material implode to become a supernova after millions of years in fusion reaction as it consumed and fused the light fusion material into heavier matter. In this 10 seconds the protons and electrons are transmutated into neutrons. But how? What happens to the particles in the supernova from a particle physics standpoint? Electrons by themselves cannot be made into neutrons since they are leptons, right? And also why is it that it are specifically neutrons that are favored in this event? Thank you for reading, and thank you in advance. Cheers! [link] [comments]  |
| Posted: 01 Sep 2017 01:50 PM PDT |
| Posted: 01 Sep 2017 12:11 PM PDT |
| Posted: 01 Sep 2017 06:03 PM PDT DNA is an actual physical thing, right? So if it has a physical shape, what do you guys think? [link] [comments]  |
| Will the electrons in the wire of the generator run out? Posted: 02 Sep 2017 12:00 AM PDT This sounds like a dumb question. I'm a teen and from my understanding in class. Electricity is produced by cutting a conductor through a magnetic field to "push" the electrons. So when we us electricity, will the electrons be used up and you have to change the metal in the generator or the electrons are still there but just the energy they carry is transferred. I asked my teacher and all he said was "It isn't in the syllabus, don't bother" [link] [comments]  |
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