Are rings exclusive to gas planets? If yes, why? |
- Are rings exclusive to gas planets? If yes, why?
- Could quantum entanglement be used for communication if the two ends were synchronized?
- If you point a very focused and EXTREMELY powerful torch at a very sensitive weight scale, would it show anything at all?
- How can tungsten be a metal, but have *higher* electronegativity than phosphorus, which is a non-metal?
- When we say space is expanding, what is that relative to?
- When in high school I remember somebody telling me the fire us made of a different sate of matter (different being not solid, liquid or gas) called plasma. Is there any truth to this statement and if so what exactly is plasma?
- If neutrinos do not interact with regular matter, how would they behave in the presence of a black hole?
- Why are Saturn's rings a circle? Shouldn't they be elliptical like how the planets revolve around the sun?
- How fast is electricity?
- Do single neurons sleep?
- Why are deep ocean creatures so hard to find? Once they die do the animals not float to the top of the ocean to be found?
- How do we know about the matter-antimatter imbalance was 1.000.000 to 1.000.001 in the beginning of the universe?
- Why do many scientists believe that life on Earth was brought through panspermia? Why is that more feasible than life just arising on Earth on its own?
- Why do raisins taste different than grapes?
- Does the Many-Worlds Interpretation of quantum mechanics means that an infinite amount of matter and energy are being created?
- When some thing glows hot does some small part of it (matter) turn into light?
- Can you get vitamin D from the moon/moonlight?
- How are you able to show the relationship of flow rate on pressure drop being linear when in laminar flow and quadratic in turbulent flow?
- What are Charm Quarks? I'm having difficulty understanding what they are and their purpose.
- If something very unprovable happens to me ( when the lottery) is my chances of being struck my lightning in a thunderstorm lowered since an rare thing happened recently or is it not effected?
- Thought experiment: Is the expansion of space directly measurable?
| Are rings exclusive to gas planets? If yes, why? Posted: 23 Nov 2015 09:10 AM PST |
| Could quantum entanglement be used for communication if the two ends were synchronized? Posted: 23 Nov 2015 08:15 AM PST Say both sides had synchronized atomic clocks and arrays of entangled particles that represent single use binary bits. Each side knows which arrays are for receiving vs sending and what time the other side is sending a particular array so that they don't check the message until after it's sent. They could have lots of arrays with lots of particles that they just use up over time. Why won't this work? PS I'm a computer scientist, not a physicist, so my understanding of quantum physics is limited. [link] [198 comments]  |
| Posted: 24 Nov 2015 04:22 AM PST This is probably a dumb question, but I still want to ask, let's say the torch is 9999x more powerful than you thought it was after reading the title, and the scale is the most accurate and sensitive one possible. If the answer is absolutely 0, does this apply to microwaves, other EMR? (Let's also forget about the energy from the torch melting the scale or similar things) [link] [2 comments]  |
| Posted: 24 Nov 2015 01:42 AM PST it's generally taught that metallic or non-metallic character is governed by the electronegativity of the element (for example), so what's the deal with tungsten (and the others...)? edit: gold is an even worse offender. [link] [3 comments]  |
| When we say space is expanding, what is that relative to? Posted: 23 Nov 2015 11:18 PM PST |
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| Posted: 23 Nov 2015 07:50 AM PST No-one i've asked has been able to answer this, so i'll ask about it here. For example, if i put a button or transmitter at one point and a LED or some sort of receiver 100 meters (328.08399 feet) away, how long does it take to light the LED up or receiver to notice it? Of course, different materials conduct at various levels, but do you any of you have some examples at least? [link] [58 comments]  |
| Posted: 23 Nov 2015 10:14 PM PST Do individual separate neuron cells fall asleep in Petri dishes? What changes in an individual neuron after it has slept? How is this different from neurons sleeping together in a brain? Thanks [link] [comment]  |
| Posted: 23 Nov 2015 09:54 PM PST I am curious about this because it seems like people have a really hard time finding giant squids or other creatures like that. When they die do the creatures sink? or are they lost in the ocean. [link] [3 comments]  |
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| Why do raisins taste different than grapes? Posted: 23 Nov 2015 07:06 PM PST |
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| When some thing glows hot does some small part of it (matter) turn into light? Posted: 23 Nov 2015 07:32 AM PST If matter and light are the same stuff... then if I heat up a hammer till it glows are bits of the hammer hitting my retina? [link] [27 comments]  |
| Can you get vitamin D from the moon/moonlight? Posted: 23 Nov 2015 07:50 PM PST |
| Posted: 23 Nov 2015 11:39 AM PST The equations i know of are the darcey-weisbach, and two friction factors; phi=8/Re and phi=0.00396/Re0.25. [link] [4 comments]  |
| What are Charm Quarks? I'm having difficulty understanding what they are and their purpose. Posted: 23 Nov 2015 07:06 PM PST |
| Posted: 24 Nov 2015 01:19 AM PST Of course my gut feeling says no but if feel like if you got 00 in roulette twice in a row it would be less likely than hitting 00 then hitting a non 00 number [link] [6 comments]  |
| Thought experiment: Is the expansion of space directly measurable? Posted: 23 Nov 2015 09:28 PM PST Please correct me if I'm wrong: As I understand it, somehow space is expanding and creating more space. At distance scales as large as the universe, this expansion is such that photons being emitted from distance objects (unobservable universe) will never make it to us -- space is being created between the photons and us faster than they can traverse. Is this expansion of space happening homogeneously? As a thought experiment: Could we measure it by a sending a very delicate, long, spring into space? It seems the longer the spring, the more it would be stretched by the expansion of space between the endpoints. Does the expansion of the universe affect planetary orbits? Shouldn't they drift further just slightly? [link] [3 comments]  |
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