Do all salts taste 'salty' i.e. Like sodium chloride? What about other sodium salts? Other chlorides? Alkali metals? Halides? Etc... |
- Do all salts taste 'salty' i.e. Like sodium chloride? What about other sodium salts? Other chlorides? Alkali metals? Halides? Etc...
- What is the oldest satellite in space still providing us with information?
- Is it possible for a material to be so rigid that vibrations can't pass through it?
- Can sharks smell blood outside of water?
- Are there any interesting things about Quincunx patterns? (pictures inside)
- Why are the undersides of our nails rough?
- Is there a scenario in which heat does not make something expand?
- Why is the integral of 1/x = ln(x)+C?
- How long would it take two bowling balls (one metre apart from each other) to collide in empty space?
- What are these patterns on the ocean floor?
- Can anyone please explain how 'Pumping and Population Inversion' (lasers) works?
- [Space] If all the stars in the night sky appeared at the same brightness to us on earth, would the entire sky be light?
- Why do thin films of oil and bubbles appear more pink and green than other colors?
- [Astronomy] If the International Space Station were to be completely abandoned, how long would it take before the station would be uninhabitable?
- Why isn't dark energy included as one of the four fundamental forces?
- The Oberth Effect (domonstrated in KSP) - Where does the energy come from?
- Why can you look at something very bright with either eye covered but not with both at once?
- Why is O the most common blood group?
- What determines whether a spiral or elliptical galaxy forms?
- I there an asymmetry when it comes to voice sound travelling from downstairs apartment to upstairs versus vice versa?
| Posted: 23 Apr 2016 10:25 AM PDT |
| What is the oldest satellite in space still providing us with information? Posted: 23 Apr 2016 09:40 AM PDT And what is that information? Just a curious thought that struck me. There are tons of satellites up there. Some work , some don't. But which is the oldest one still giving us (useful, useless, whatever) information? [link] [comments]  |
| Is it possible for a material to be so rigid that vibrations can't pass through it? Posted: 23 Apr 2016 09:56 AM PDT |
| Can sharks smell blood outside of water? Posted: 23 Apr 2016 10:26 AM PDT Lets say there is a bird flying about the water, with a cut, could the shark smell that blood? [link] [comments]  |
| Are there any interesting things about Quincunx patterns? (pictures inside) Posted: 23 Apr 2016 06:47 AM PDT If a Quincunx pattern extends infinitely outward, could you draw infinite lines from a single point? Is there a special ratio of the angle between each of the lines? The pattern is used in farming. Is there any other practical application? [link] [comments]  |
| Why are the undersides of our nails rough? Posted: 23 Apr 2016 10:59 AM PDT When you clip your nails, the underside is extremely rough, almost like sandpaper. The top however, is smooth. I was under the impression that the nails exist because of the sensitive skin, so wouldn't this rough texture irritate it more? [link] [comments]  |
| Is there a scenario in which heat does not make something expand? Posted: 24 Apr 2016 05:58 AM PDT Random shower thought - I'm sure there are situations where the above isn't the case but I'm intrigued... [link] [comments]  |
| Why is the integral of 1/x = ln(x)+C? Posted: 23 Apr 2016 08:23 AM PDT I mean I get that you cannot integrate it normaly as in: x-1 --> (x0 )/0 because you obviously cannot divide by zero. So why does this just happen to equal ln(x)? [link] [comments]  |
| Posted: 23 Apr 2016 08:00 AM PDT How long would it take two bowling balls (one metre apart from each other) to collide in empty space assuming they had no previous velocity? In Universe Sandbox 2, they only take about a day to collide. Would this actually happen? [link] [comments]  |
| What are these patterns on the ocean floor? Posted: 23 Apr 2016 01:46 PM PDT |
| Can anyone please explain how 'Pumping and Population Inversion' (lasers) works? Posted: 23 Apr 2016 12:29 PM PDT I'm trying to get the idea behind a laser's working. But I need some help understanding pumping and population inversion. If anyone would be kind enough to enlighten my dumb brain, then they've my thanks.
[link] [comments]  |
| Posted: 23 Apr 2016 07:55 AM PDT Would there be any dark patches, or do stars (there are a lot of them) fill in all the gaps? [link] [comments]  |
| Why do thin films of oil and bubbles appear more pink and green than other colors? Posted: 23 Apr 2016 08:55 AM PDT |
| Posted: 23 Apr 2016 06:13 AM PDT Let me clarify. Uninhabitable does not mean not operational. The station can still be functioning, it just cannot support life natively—as in, you would need a spacesuit to stay alive. [link] [comments]  |
| Why isn't dark energy included as one of the four fundamental forces? Posted: 23 Apr 2016 07:24 AM PDT Is there a fundamental difference or is it simply our lack of knowledge on the nature of dark energy which is why we haven't added it as one of the fundamental forces of nature? [link] [comments]  |
| The Oberth Effect (domonstrated in KSP) - Where does the energy come from? Posted: 23 Apr 2016 04:25 PM PDT We are demonstrating and explaining 'The Oberth Effect' and the extra efficiencies you can gain from doing some of your burns at the highest possible velocity. It may seem that the rocket is getting energy for free, which would violate conservation of energy laws. Where does the energy come from? Why does the same amount of velocity increase give you more kinetic energy at higher relative velocities? Would love feedback! [link] [comments]  |
| Why can you look at something very bright with either eye covered but not with both at once? Posted: 23 Apr 2016 06:03 AM PDT |
| Why is O the most common blood group? Posted: 23 Apr 2016 05:42 AM PDT Apologies in advance for my basic understanding. From what I've been taught, the allele for the blood type 'O' is carried on a recessive allele. Due to this, you would expect it to be the least common blood type as the genotype can only be 'ii'. However, apparently almost half of the world have the blood type O? Please could someone explain why this is? Is it because the 'i' allele is more common in the gene pool? If so, why is that? Thank you! [link] [comments]  |
| What determines whether a spiral or elliptical galaxy forms? Posted: 23 Apr 2016 05:44 AM PDT |
| Posted: 23 Apr 2016 06:02 AM PDT |
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