When light is redshifted, is it losing energy? When it's blueshifted, is it gaining energy? |
- When light is redshifted, is it losing energy? When it's blueshifted, is it gaining energy?
- How does intelligence change with age?
- Are there any bodies in space with temperature below temperature of cosmic microwave background of ~2.7 K?
- In terms of anatomy, why are some voices husky and some smooth?
- Does gallium dissolve gold?
- Are the genes for eye color linked to the genes for eyesight? In other words, if my child inherits my eye color will he inherit my good eyesight?
- Could mercury be used as a hydraulic fluid?
- How are "scans" Of renaissance art made since flash photography can damage paintings?
- If I was walking from West coast to East coast on North America right as the Cretaceous period was at its prime, how would the diversity of ecosystems and species compare to that same walk today?
- What pressure is necessary for helium to be dissolved into a liquid? (such as beer)
- Is time dialation observed in particle accelerators?
- What makes one bus protocol faster than another? (e.g. UART vs USB)
- What geologic factors determine whether decayed carbon will end up as natural gas, oil or coal?
- Certain organisms, like tadpole shrimps, not only are hermaphrodite but can also auto-impregnate. Is the offspring of this kind of reproduction a clone of its parent? What are its advantages/disadvantages?
- At what Age do children recognize themselves as a person? When and how do they become selfaware?
- I've heard mitochondria produce water... so could we survive on nothing but dehydrated food?
- Is there a possibility of creating a solid block with very dense matter, such as Ununoctium?
- Do liquid-based foams have the same fluid dynamics (viscosity etc) as their parent liquids?
- Could the distribution of cosmic background radiation be uniform if we assume the larger universe is oddly shaped?
- Is there any rhyme or reason to the charges of polyatomic ions, or is it completely random?
| When light is redshifted, is it losing energy? When it's blueshifted, is it gaining energy? Posted: 01 Oct 2016 07:12 AM PDT And if so, how exactly? And how does this work in terms of relativity and the position of the observer? [link] [comments]  |
| How does intelligence change with age? Posted: 02 Oct 2016 12:44 AM PDT Feel free to answer this question from any academic angle you feel is appropriate. Also, please link or cite any research articles if you are referencing them. [link] [comments]  |
| Posted: 01 Oct 2016 11:15 AM PDT As far as I understand every body put in space would eventually reach temperature of about 2.7 K due to the CMB1. So is there any possibility of covering bodies/bending waves or anything that would be able to produce a body with stable (in terms of that it would not eventually reach 2.7 K back) temperature below that? Additionally, are we as a people able to create such a circumstances that would create desired conditions? Would just perfect2 vacuum and some kind of cover be enough? 1 Cosmic Microwave Background 2 I'm aware we can't create perfect vacuum, let's just say the best that we are able to create. English is my L2, don't hesitate to correct any errors. [link] [comments]  |
| In terms of anatomy, why are some voices husky and some smooth? Posted: 01 Oct 2016 10:49 PM PDT |
| Posted: 01 Oct 2016 01:33 PM PDT I'm looking to use gallium as the liquid phase in an electronics cooling setup. If I were to make the cooling block and the radiator out of gold plated silver, would the gallium phase dissolve the gold plating or otherwise destructively interact with the gold/silver solid? [link] [comments]  |
| Posted: 01 Oct 2016 02:55 PM PDT |
| Could mercury be used as a hydraulic fluid? Posted: 02 Oct 2016 12:18 AM PDT With its weight and density it seems like it could be a very powerful fluid. I'm sure a major factor would be the toxicity of the amount of mercury used, but is it possible? [link] [comments]  |
| How are "scans" Of renaissance art made since flash photography can damage paintings? Posted: 01 Oct 2016 01:39 PM PDT |
| Posted: 01 Oct 2016 11:36 AM PDT |
| What pressure is necessary for helium to be dissolved into a liquid? (such as beer) Posted: 01 Oct 2016 01:04 PM PDT I don't just mean the pressure force required to dissolve the helium into the liquid, but also the pressure outside the vessel that would be required to keep the dissolved gas from escaping to quickly to be drank. I also would like to know if the pressure that is on the outside of the vessel would be a suitable environment for a person. [link] [comments]  |
| Is time dialation observed in particle accelerators? Posted: 01 Oct 2016 12:39 PM PDT A particle with mass accelerated to near the speed of light should experience substantial time dialation. Accelerated enough, to us it could even be considered to be nearly standing still to a relative observer because it's time reference is so slow. But in researching this, I don't find any information on this effect. So my question is; as particles are accelerated, do we observe them starting to move slower through the ring from our reference as they near their references speed of light? [link] [comments]  |
| What makes one bus protocol faster than another? (e.g. UART vs USB) Posted: 01 Oct 2016 11:37 AM PDT I'd always thought that it just the number of pins so that more data could be transferred in parallel. But, looking at USB's pin outs there are only 2 data pins while being vastly faster than UART. Is it just clock rates? If so, what prevents me from running UART at a 1 Mbps baud rate? [link] [comments]  |
| What geologic factors determine whether decayed carbon will end up as natural gas, oil or coal? Posted: 01 Oct 2016 01:40 PM PDT |
| Posted: 01 Oct 2016 09:15 AM PDT I discovered this fact through this article and I can't find much information about it. Apparently this is a trait of only certain kind of hermaphrodite organisms (e.g. snails are hermaphrodite but need another individual to copulate). [link] [comments]  |
| At what Age do children recognize themselves as a person? When and how do they become selfaware? Posted: 01 Oct 2016 01:20 PM PDT |
| I've heard mitochondria produce water... so could we survive on nothing but dehydrated food? Posted: 01 Oct 2016 03:21 PM PDT |
| Is there a possibility of creating a solid block with very dense matter, such as Ununoctium? Posted: 01 Oct 2016 03:03 PM PDT This is what I want to know: with current technology, is there a possibility of creating a block/cube/anything solid with Ununoctium? The reason I'm asking: I'm curious about the heaviest (synthesized) element known that can exist on earth. I hoped ununoctium would be a good option, but if not, what is? For example, one can pick up Osmium and throw it, even though it's very heavy. Is there anything man-made and heavier that is solid and can be picked up (in theory, and indirectly if needed)? [link] [comments]  |
| Do liquid-based foams have the same fluid dynamics (viscosity etc) as their parent liquids? Posted: 01 Oct 2016 02:52 PM PDT |
| Posted: 01 Oct 2016 01:32 PM PDT Meaning that where we measure higher levels of radiation it could be because of a "dent" in the shape of the (non-observable) universe? In other words, could there be a shape of the total universe thinkable where radiation was distributed evenly, but would still yield our current maps, seen from a point somewhere from within that distribution? And, somewhat related, why do we seem to prefer the Mollweide projection for maps of cosmic background radiation? [link] [comments]  |
| Is there any rhyme or reason to the charges of polyatomic ions, or is it completely random? Posted: 01 Oct 2016 09:32 AM PDT The charges never seem to line up with the elements that each polyatomic ion contains. (ex. Nitrate's charge is -1, but contains 4 negatively charged atoms, so shouldn't the charge be at least -4? Peroxide's charge is -2, but contains 2 oxygen, so shouldn't the charge be -4?) [link] [comments]  |
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