Why do current-carrying wires have multiple thin copper wires instead of a single thick copper wire? |
- Why do current-carrying wires have multiple thin copper wires instead of a single thick copper wire?
- With the introduction of vaccines, even if a variant isn’t strictly “covered” by the vaccine due to changes in proteins, would there be enough “training” of the body’s immune system on how to deal with a corona virus that the body would be more efficient if infected later?
- How can subatomic particles that are incredibly tiny produce effects large enough to be easily observable by the naked eye in a cloud chamber?
- How quickly does heat propagate through gas when it undergoes a change in pressure?
- Are sensory organs like eyes, ears, nose etc. in all or almost all animals close to the brain?
- How long do antibodies stay in the body?
- Are people with achromatopsia more sensitive to light?
- Do fish get “out of breath”?
- How does the electromagnetic theory of light explain intensity?
- Do trees grow at a constant rate?
- What is the current consensus on Sars-Cov-2 variants?
- If I get the covid vaccine while I am breastfeeding, how long is my baby protected by my antibodies?
- Does space get warmer as you approach the sun?
- Can antibodies form in blood once it has been removed from the body?
- Llama reproduction: I'm told that llamas don't have an estrus cycle and ovulate after mating, how does this work?
- Are rifting events strictly divergent?
- Y chromosome inactivation,does it exist and what would that do?
- Chronic stress can cause mental health issues, but how come some people under severe stress end up not developing and others do?
- What uses more fuel, coasting in neutral or remaining in gear but not using the throttle?
- Is it possible to re-enter the atmosphere without heat increase by modulating velocity to match earth’s rotation and gravity?
- Does the expansion of the universe affect time?
- What happens to your body when you faint?
| Why do current-carrying wires have multiple thin copper wires instead of a single thick copper wire? Posted: 08 Mar 2021 01:39 AM PST In domestic current-carrying wires, there are many thin copper wires inside the plastic insulation. Why is that so? Why can't there be a single thick copper wire carrying the current instead of so many thin ones? [link] [comments]  |
| Posted: 08 Mar 2021 02:19 AM PST At the start of the Pandemic, a lot of the concern was about the novelty of the virus and the fact that the majority of humans would most likely not have contacted a coronavirus and so the body wouldn't know how to efficiently "fight" it This is often cited as why the flu is no longer (generally) as bad, due to "people" having seen some form of flu at some point in their life. [link] [comments]  |
| Posted: 08 Mar 2021 01:24 AM PST I've always been fascinated by cloud chambers. The first time I ever saw one I was glued to it for a good hour until the science museum closed and the poor curator had to drag me away. From what I understand it's basically particles flying through supersaturated alcohol or water and creating clouds in their path like an airplane. What I don't get is how can something so incredibly itty bitty teeny weeny particles create disturbances that are large enough for us to see with the naked eye? And a bonus question, do all of these particles always create disturbances? I.e. if I measure all the zips and zwoops in a cloud chamber over a certain time, would it give me an exact count of how many of those particles are in the enclosed volume? Within the margin of error ofc. [link] [comments]  |
| How quickly does heat propagate through gas when it undergoes a change in pressure? Posted: 08 Mar 2021 02:17 AM PST If you're adiabatically compressing a volume of gas (for example, with a plunger in an insulated bicycle pump), does the gas heat up evenly? Or is there a sort of shockwave of temperature change through the gas? How quickly does the temperature change travel through the volume of gas? [link] [comments]  |
| Are sensory organs like eyes, ears, nose etc. in all or almost all animals close to the brain? Posted: 07 Mar 2021 01:31 PM PST I have wondered because in all animals I can think of, these organs are as close as possible to the brain. The most obvious reason seems to be that this way the sensory input reaches the brain a few milliseconds faster, but I somehow find it hard to believe that the evolutionary pressure has been so high for all animals that those with diverging organs had no way to reproduce in large enough quantities. [link] [comments]  |
| How long do antibodies stay in the body? Posted: 08 Mar 2021 02:16 AM PST Is it different for each thing you develop antibodies for? Dr. Google says Lyme Disease antibodies can be detected for anywhere from months to "many years." Why would it vary so much? And how many years is "many years"? [link] [comments]  |
| Are people with achromatopsia more sensitive to light? Posted: 07 Mar 2021 05:28 PM PST I know that monochrome cameras are three times more sensitive to light than color cameras, that's why they're so useful for astrophotography. Does the same apply for humans who only see in black and white? [link] [comments]  |
| Posted: 07 Mar 2021 11:08 PM PST |
| How does the electromagnetic theory of light explain intensity? Posted: 08 Mar 2021 12:51 AM PST Before Einstein introduced the quantum theory of light, what was the explanation given for different intensities of light of the same frequency? Because intensity is amount of photons per area per second but that means you had to consider light as quanta which the em theory didn't do. Is there any fault in my thought process? Thank you! [link] [comments]  |
| Do trees grow at a constant rate? Posted: 08 Mar 2021 03:39 AM PST This struck me today when I was looking at some young saplings near old, established trees. [link] [comments]  |
| What is the current consensus on Sars-Cov-2 variants? Posted: 08 Mar 2021 04:53 AM PST A lot of coronavirus variants of concern have emerged recently, and we'll likely see even more in the future. I'm aware scientistics and health authorities are tracking those, but it's such a rapidly developing subject that is difficult to keep up with what's happening and if see some form of scientific consensus has already emerged. In particular:
[link] [comments]  |
| If I get the covid vaccine while I am breastfeeding, how long is my baby protected by my antibodies? Posted: 07 Mar 2021 09:23 PM PST Is it full or partial protection? Also, will the antibodies survive in frozen breast milk and if so, what does that protection look like? [link] [comments]  |
| Does space get warmer as you approach the sun? Posted: 07 Mar 2021 05:47 PM PST If so, does that mean there's a point were it would be warm enough to stick your hand out the window? [link] [comments]  |
| Can antibodies form in blood once it has been removed from the body? Posted: 07 Mar 2021 09:29 PM PST If someone were possibly infected with a disease or virus and donated blood, but it hasn't been long enough for antibodies or antigens to show up in a blood test, is it possible for the antibodies to develop while the blood is being stored? Or, does blood NEED to be in the body to develops antibodies and antigens? This question came up when a friend and I were discussing blood donation and how you need to wait x amount of time before donating. Since they need to test for various viruses and not all viruses can be detected right away, it sparked the inquiry as to whether or not undetectable antibodies can be found at a later date if the blood is stored properly or if it needs to be in the body. [link] [comments]  |
| Posted: 07 Mar 2021 01:53 PM PST |
| Are rifting events strictly divergent? Posted: 07 Mar 2021 09:11 PM PST I was working on a summative report for my university course on dynamic plate movements when I was suddenly struck by something. The large area I was studying had faults from ancient mountain formation during both Rodinia and Pangaea, as well as failed rift events (not including the now Mid-Atlantic Ridge). But as I was doing research I learned that rifts can form at weak faults within a continental plate and create rifting (such as what's happening with the East African Rift system). Though most rifts form from a massive upwelling of mantle, similar to a flood basalt but actually tearing the plate apart. During that research I also saw diagrams during the current plate movements and saw that the plate my area is actually centred in is moving in two different directions: the west side southeast but the east end west. Would it be possible for a rift to form in my area from the stresses of the continental plate moving in two different directions? And rather instead of diverging, the new fault line is either convergent or transition? Is that possible? [link] [comments]  |
| Y chromosome inactivation,does it exist and what would that do? Posted: 07 Mar 2021 10:38 AM PST |
| Posted: 06 Mar 2021 11:19 PM PST |
| What uses more fuel, coasting in neutral or remaining in gear but not using the throttle? Posted: 07 Mar 2021 11:18 AM PST I will often put my (manual) car in neutral if I know I am going to be slowing to a stop. My brother said that this uses more fuel (as the engine is idling) than remaining in gear but not applying throttle. Does coasting to neutral use less fuel than staying in gear but not using the throttle? [link] [comments]  |
| Posted: 07 Mar 2021 07:27 AM PST My understanding is that friction is 100% the cause of atmospheric burn so if a re-entering object slowly penetrated the atmosphere at a proper speed and angle shouldn't it avoid friction ? [link] [comments]  |
| Does the expansion of the universe affect time? Posted: 07 Mar 2021 07:11 AM PST Space and time are inseparably related, as demonstrated in relativistic effects. In places where space are warped like near an immense mass, time also slows down relative to more "flat" space. Does the expansion of the universe, as influenced by Dark Energy, also affected the—I don't know the proper term, the flow/speed of time? [link] [comments]  |
| What happens to your body when you faint? Posted: 07 Mar 2021 06:56 AM PST Is there any effect on your body is you faint? I have asked this before, but they said thing like: its just your body having a insert substance here deficiency. If you were perfectly healthy and you faint on command or something does anything bad/good happen? [link] [comments]  |
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