Why are Au-Pt cubes used to detect gravitational waves in the LISA Pathfinder mission as opposed to other elements? |
- Why are Au-Pt cubes used to detect gravitational waves in the LISA Pathfinder mission as opposed to other elements?
- In view of recent reports of thylacines possibly being caught on tape in Southern Victoria, what kind of follow up would normally be carried out to authenticate such potential sightings.
- Are humans a reservoir species for any known animal illnesses?
- How can you encrypt photons?
- Is the real part of permittivity responsible for energy dissipation in a dielectric medium?
- How does iron channel the magnetic field?
- What is the age difference of Earth's pole vs equator (theory of relativity)?
- How do newborn mammals know they have to look for a nipple and suck milk?
- What would happen to my smartphone if I had it on me while taking x-rays?
- Why does my phone camera show the heating elements on my stovetop to be a pink/purple colour when they appear red/orange to the eye?
- If time dilation increases exponentially as an object approaches a black hole's event horizon, how does anything ever reach the singularity?
- What happens to our voice box when we speak higher or lower in pitch?
- Why is it in first person video games, I can't point the camera perfectly straight up or straight down?
- Where does the pressure that moves cerebral spinal fluid through the brain come from?
- How do we know that the ancient ice sheets of USA were over a mile tall?
- When I lose weight, how does my body know where to burn the fat from?
- Why do liquids boil at room temperature under vacuum?
- What properties would we expect in a region of the universe in which the higgs field had a zero value?
- Is there a limit to how far two quantum entangled particles can be from each other?
- What existed in the universe before matter?
- How many generations does it take to start seeing an evolutuonary change?
- What is gravity made up of?
- Why do photons move in a wave?
| Posted: 20 Sep 2016 05:35 AM PDT |
| Posted: 19 Sep 2016 03:38 PM PDT And any relevant comments on the hypothetical possibility that thylacines might perhaps not yet be extinct, what would come next should their actual existance be confirmed, and other related subjects are welcome of course. see: https://www.rt.com/viral/359671-tasmanian-tiger-spotted-camera/ [link] [comments]  |
| Are humans a reservoir species for any known animal illnesses? Posted: 19 Sep 2016 01:14 PM PDT There are many animals that are reservoir species for zoonoses, and I'm certain the opposite must be true but I can't find any information about it. Does it happen? Are we a carrier species for known diseases that may affect pets or livestock? [link] [comments]  |
| Posted: 19 Sep 2016 08:27 PM PDT In this recent post in r/science, the article talks about encrypting photons. I understand how you can entangle photons and such but I don't see what you are encrypting or how to even do that. [link] [comments]  |
| Is the real part of permittivity responsible for energy dissipation in a dielectric medium? Posted: 20 Sep 2016 12:32 AM PDT Hello everyone, in this question there is anything I would ask too, I thought the answers were not that satisfying. Is there some Input you could give, some morge thoughts? [link] [comments]  |
| How does iron channel the magnetic field? Posted: 19 Sep 2016 07:05 PM PDT Hi, I'm having trouble developing an intuition of how Maxwell's equations lead to the fact that ferromagnetic materials "channel" the magnetic field. Can anyone shed some light into this for me, please? Thanks! [link] [comments]  |
| What is the age difference of Earth's pole vs equator (theory of relativity)? Posted: 19 Sep 2016 12:36 PM PDT |
| How do newborn mammals know they have to look for a nipple and suck milk? Posted: 19 Sep 2016 01:20 PM PDT |
| What would happen to my smartphone if I had it on me while taking x-rays? Posted: 19 Sep 2016 02:31 PM PDT |
| Posted: 19 Sep 2016 01:13 PM PDT I imagine the camera is picking up the infrared light and shifting it to visible light, but my DSLR camera doesn't do this. What is special about a phone camera that makes it do this, and why the pinkish purple, which is at a part of the spectrum away from infrared? [link] [comments]  |
| Posted: 19 Sep 2016 09:08 AM PDT I've read that time dilation tends toward infinite as an object approaches the event horizon of a black hole. Time passes normally for the object itself, but to an outside observer they would see the object move slower and slower, until eventually it red-shifted out of the visible spectrum. However, for outside observers not under the influence of the black hole's time dilation, wouldn't that mean that any object falling into the black hole takes billions of years to actually cross the event horizon? If so, how does matter actually reach the singularity? Wouldn't the majority of every black hole's mass be currently in the process of still crossing the event horizon, given the age of the universe? [link] [comments]  |
| What happens to our voice box when we speak higher or lower in pitch? Posted: 19 Sep 2016 01:59 PM PDT |
| Posted: 19 Sep 2016 02:19 PM PDT A lot of first person games will limit the camera from looking perfectly straight up or straight down, where there's a bit of a circle area that you just can't reach. A sort of gimbal lock if you will. I know the reason behind this is to prevent some sort of rendering error, but I've never known why, nor can I find anywhere discussing the topic, and I know I've read about this somewhere. I appreciate the help! [link] [comments]  |
| Where does the pressure that moves cerebral spinal fluid through the brain come from? Posted: 19 Sep 2016 11:24 AM PDT My professor was explaining how CFS moves through the brain's ventricles (I believe that's what he said), but we were stumped as to where the pressure that moves it along actually comes from. [link] [comments]  |
| How do we know that the ancient ice sheets of USA were over a mile tall? Posted: 19 Sep 2016 05:15 PM PDT |
| When I lose weight, how does my body know where to burn the fat from? Posted: 19 Sep 2016 02:42 PM PDT |
| Why do liquids boil at room temperature under vacuum? Posted: 19 Sep 2016 10:57 AM PDT I find it fascinating that water can boil at room temperature when under vacuum. But I'm not sure of exactly what's happening. Does this cause it to heat up? Would ice melt under vacuum? Is the steam or water vapor similar to what normal boiling creates? Does this boiling reduce the vacuum as the liquid boils off? Has anyone harnessed this mechanism to do anything useful other than vacuum distillation? [link] [comments]  |
| Posted: 19 Sep 2016 12:19 PM PDT |
| Is there a limit to how far two quantum entangled particles can be from each other? Posted: 19 Sep 2016 10:26 AM PDT |
| What existed in the universe before matter? Posted: 19 Sep 2016 12:42 PM PDT Disclaimer: I am not sure if all of this is accurate. After The Big Bang, there were an estimated 400,000,000 years before stars formed, and then following that planets formed. So what was there before this formed and after The Big Bang? Was there anything, and if so what did the Big Bang do if not create matter? [link] [comments]  |
| How many generations does it take to start seeing an evolutuonary change? Posted: 19 Sep 2016 01:52 PM PDT If humans were to isolate and control the environments an animal would live in, how fast would we see a change? For example, if you take 500 mice and keep them in 10 different cages (50 a piece) with controlled environment's like cold weather only, hot weather only, grassy area, forested area and so on. Would we start to see changes after 10, 20, 50 generations? How many generations do you all think it would take to start to see mice with fluffier fur, or less fur or fur changing color to match the environment and so on. Hopefully my question is making sense, if not I will try to clarify more. [link] [comments]  |
| Posted: 19 Sep 2016 11:26 AM PDT Light is made of photons,electro magnetic waves are made of electrons (blunt) or their vibrations. So what makes up gravity? Are there particles which govern the force of gravity. And how does the force of gravity has influence on entities like planets asteroids or even us.? [link] [comments]  |
| Why do photons move in a wave? Posted: 19 Sep 2016 06:01 PM PDT What forces cause them to move like this and how does physics account for the constant change in direction? [link] [comments]  |
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