Can temperature affect the speed of electricity? And if so can extreme temperature, hot or cold, completely stop the electric current through something? Power lines, electronics, etc. |
- Can temperature affect the speed of electricity? And if so can extreme temperature, hot or cold, completely stop the electric current through something? Power lines, electronics, etc.
- What's the difference between antibiotic, antiseptic and anti-bacteria?
- In cultures where people file their teeth, are there higher rates of tooth decay due to removed enamel?
- How are very accurate shunts calibrated?
- How do trees survive freezing temperatures? Does the water in them not freeze?
- How will the current injection of excess CO2 into the atmosphere affect the eventual coldening due to the Milankovitch cycles?
- How does a computer know how much is 1 second?
- When standing on a frozen pond or lake is it the intramolecular forces of ice or the buoyancy of the ice on top of the water that are supporting you?
- If the barrels of guns weren't rifled, would there be more or less ricochet?
- Why does Water turn white when it is foam ?
- How do scientists measure temperatures upwards of billions of degrees Celsius?
- Why are rechargeable versions of AA/AAA 1.2V instead of 1.5V?
- How did 1I/2017 U1 'Oumuamua get 'ejected' from it's home solar system?
- Why does toothpaste become hard and dry when exposed to air?
- What does the content of radioactive waste Disposal Containers (The yellow ones) look like?
- How do I simply explain the forces involved with the sedimentation of solids in juice?
- The Large Hadron Collider can allegedly reach 4 trillion Kelvin, is this theoretical, are there repercussions of producing that heat?
- Why do planes need to be defrosted?
| Posted: 29 Dec 2017 05:29 AM PST Just curious if extreme cold but also extreme heat can affect the speed of electricity through something..? I've seen when it is extremely cold my phone appears "laggy" is this do to the cold on its processor? And also can extreme temperatures affect power lines and things of that sort? [link] [comments]  |
| What's the difference between antibiotic, antiseptic and anti-bacteria? Posted: 29 Dec 2017 05:52 AM PST |
| Posted: 29 Dec 2017 01:19 AM PST |
| How are very accurate shunts calibrated? Posted: 29 Dec 2017 12:21 AM PST For example if I go buy a shunt calibrated to measure accurately to 100ppm(0.01%). The person selling it to me has to have one more accurate? And if I want one accurate to 10ppm(0.001%), the seller needs one more accurate to verify 10 ppm, but how does he calibrate the one that is being used to calibrate? Where does it stop and how? [link] [comments]  |
| How do trees survive freezing temperatures? Does the water in them not freeze? Posted: 28 Dec 2017 02:45 PM PST |
| Posted: 28 Dec 2017 03:36 PM PST |
| How does a computer know how much is 1 second? Posted: 28 Dec 2017 02:16 PM PST |
| Posted: 28 Dec 2017 11:12 AM PST |
| If the barrels of guns weren't rifled, would there be more or less ricochet? Posted: 28 Dec 2017 04:43 PM PST |
| Why does Water turn white when it is foam ? Posted: 28 Dec 2017 07:56 PM PST When water turns into foam (for example at waterfalls, behind a boat etc.) then it always appears white, but why is that so ? I knkw that there are millions of bubbles in the water at that state, but why does it cause it to turn white and not stay transparent ? [link] [comments]  |
| How do scientists measure temperatures upwards of billions of degrees Celsius? Posted: 28 Dec 2017 08:57 AM PST The article linked in the reddit post is wrong in some places, but it states that the largest recorded temperature of matter is on Earth, and it is 4 trillion degrees Celsius. A quick Google search confirms the fact that the largest recorded temperature is on Earth, but the temperature is in fact 5.5 trillion degrees Celsius, as recorded by the scientists working at the LHC (Large Hadron Collider). What I want to know is: how do those scientists record the temperature of such particles? [link] [comments]  |
| Why are rechargeable versions of AA/AAA 1.2V instead of 1.5V? Posted: 28 Dec 2017 10:53 AM PST I was looking at some rechargeable batteries and they all said they were only 1.2V. I realise they work in my devices, but is that 0.3V difference not a problem? [link] [comments]  |
| How did 1I/2017 U1 'Oumuamua get 'ejected' from it's home solar system? Posted: 28 Dec 2017 07:09 PM PST I have read all about how 1I/2017 U1 'Oumuamua is the first confirmed extrasolar object, and why it is indeed extrasolar and that it must have been 'ejected' from its original solar system. But I haven't read anywhere how that happened. I am not an orbital mechanics expert, but it seems to me that it is highly improbable that any object could reach escape velocity and trajectory from its original gravity well at an arbitrary moment in time. I mean, doesn't the law of conservation of energy on an object in an elliptical orbit require the application of an external force? We have been studying asteroids and comets in our own solar system for a long time now and (I believe) we have never spotted one that wasn't on an elliptical orbit. My only guess is that 1I/2017 U1 is the survivor of a supernova, but strange that no commentary has ventured a guess on this one. [link] [comments]  |
| Why does toothpaste become hard and dry when exposed to air? Posted: 28 Dec 2017 04:10 PM PST I'm sure this can be applied to other substances (Cremes, ... ) as well. [link] [comments]  |
| What does the content of radioactive waste Disposal Containers (The yellow ones) look like? Posted: 28 Dec 2017 03:58 PM PST |
| How do I simply explain the forces involved with the sedimentation of solids in juice? Posted: 28 Dec 2017 10:19 AM PST I'm editing a paper from someone who is not a physicist (food science), I'm not a physicist (flair), and the people who are going to read this paper will predominantly not be physicists (commercial juice industry and other food scientists), but I'd like to make sure this one sentence is as technically accurate as possible. The following sentence is trying to explain how, all other things being equal, larger particles suspended in fruit juice tend to settle more quickly than smaller particles: The larger the particles, the bigger the gravitational force, thus the easier to precipitate. I have edited it to read: The more massive the particle, the larger the gravitational attraction, thus accelerating the rate of sedimentation. Aside from drag, is gravity the only force at work here and is my correction technically accurate? [link] [comments]  |
| Posted: 28 Dec 2017 09:15 AM PST |
| Why do planes need to be defrosted? Posted: 28 Dec 2017 11:56 AM PST I understand they have moving parts that need to be able to move in order to take off. But surely the same risk would be present if descending and landing somewhere cold like Norway. Would the heat of engines not stop components from freezing, even when taxi-ing? [link] [comments]  |
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