How does stickyness work? |
- How does stickyness work?
- What is the smallest yield possible of a nuke?
- What if all the planets in our solar system, except for Earth, vanished? Would Earth get closer to the sun or further away?
- How useful is the mean deviation? Is its disuse more a result of historical accident or mathematical necessity?
- Are there any chemicals so deadly a mere drop on skin could kill?
- Are freckles patterned into your DNA, or if you "replaced" your skin, would freckles appear in a new pattern?
- Why do neutron stars have magnetic fields?
- When building roads through deserts with changing sand dunes, how does the foundation differ from "ordinary" roads?
- Why does hot water sound different when it's poured?
- Can an electron in an atom be exchanged with another lepton? And how does the radius of the atom change afterwards?
- What causes someone to be an asymptomatic carrier instead of experiencing diseases full-on?
- Is there a moon in our solar system that is always visible from some point on its planet?
- Do hurricanes making landfall bring sea water in as rain? How does this affect soil, crops, infrastructure etc compared to normal rain?
- Is a virus alive or something that is not alive? What is in a flu shot?
- Why is there a Monoclinic C lattice but no monocline A lattice?
- Is there an upper limit on how massive a rocky astronomical body can be without being spherical?
- How do horses and other animals see directly in front of them when their eyes are on the side of their head?
- Can you graphically display sound fields?
- Why are the pixels on our screens squares?
- Why is the moon moving away from earth?
- Oil based product that the sulfur has precipitated. What does this mean and why did a normally Viscous liquid turn semi solid?
- Why not point the most powerful telescope at the moon and look at Armstrong's footprints?
| Posted: 12 Oct 2018 03:42 PM PDT |
| What is the smallest yield possible of a nuke? Posted: 12 Oct 2018 01:13 PM PDT |
| Posted: 12 Oct 2018 03:01 PM PDT |
| Posted: 13 Oct 2018 02:50 AM PDT So the standard deviation (and variance, as a package deal) is the go-to measure of spread in statistics, but there's also the mean deviation - the mean absolute distance from the mean, i.e. sum(abs(x-xbar))/n. I've read somewhere that there was disagreement in statistics early on over which was the most useful of the two measures. That the standard deviation won out is obvious, but I'd like to know if things could've been different. Is it possible to express, for example, the formula for normal density distribution in terms of the mean deviation? Is it possible (whether or not it's practical) to reconstruct the linear model, or something like it, using mean deviation? What about something akin to Anova? I'm interested partly because I find mean deviation much more intuitive than standard deviation, and I'd like to know how angry I should be over how the history of statistics turned out. [link] [comments]  |
| Are there any chemicals so deadly a mere drop on skin could kill? Posted: 13 Oct 2018 07:46 AM PDT My grandpa (a known story stretcher) told me he used to haul tankers full of this chemical. It was supposed to absorb really fast and that it was so deadly a drop on your skin would kill you in a minute or two. It was used in the production of tires. He said it was phenol but phenol doesn't match up with his description. He's told me this story since I was a kid but now at 23 I'm curious as to if there are any chemicals that deadly and what they would possibly be used for. [link] [comments]  |
| Posted: 12 Oct 2018 03:05 PM PDT As a filthy ginger who is covered in freckles (well, arms and shoulders, anyways), it's something I've always kind of wondered but always seemed too dumb to ask. If for some reason, you had a patch of skin that was removed and healed naturally, would your freckles appear in the same spots as before? Or would they appear in a new pattern? I'll suppose I'll take this a step further and ask, is there any legitimate way we might be able to remove freckles? Or at least the appearance of them? [link] [comments]  |
| Why do neutron stars have magnetic fields? Posted: 13 Oct 2018 08:11 AM PDT Wouldn't they be neutral and not have any charge/magnetic field? [link] [comments]  |
| Posted: 12 Oct 2018 03:20 PM PDT I saw this picture on r/natureisfuckinglit and I'm curious how engineers deal with this kind of environment. https://i.redd.it/wmtgej1zqrr11.jpg [link] [comments]  |
| Why does hot water sound different when it's poured? Posted: 12 Oct 2018 07:58 PM PDT |
| Posted: 13 Oct 2018 03:59 AM PDT |
| What causes someone to be an asymptomatic carrier instead of experiencing diseases full-on? Posted: 12 Oct 2018 07:40 PM PDT Is it a strong immune system? A genetic or physiological component? Or just plain luck? [link] [comments]  |
| Is there a moon in our solar system that is always visible from some point on its planet? Posted: 12 Oct 2018 04:20 PM PDT |
| Posted: 12 Oct 2018 08:05 AM PDT |
| Is a virus alive or something that is not alive? What is in a flu shot? Posted: 12 Oct 2018 11:42 AM PDT Years ago in school, my science class book stated that viruses were smaller than bacteria and not alive. If I remember correctly that is. If it is not alive how do you kill a virus? I am told that a flu shot is a dead virus given to your body. Is it dead or just a small portion of the virus? [link] [comments]  |
| Why is there a Monoclinic C lattice but no monocline A lattice? Posted: 12 Oct 2018 08:39 PM PDT Is it just because of naming convention that we prefer to use C over A (and also B)? [link] [comments]  |
| Is there an upper limit on how massive a rocky astronomical body can be without being spherical? Posted: 12 Oct 2018 04:32 PM PDT |
| Posted: 12 Oct 2018 12:23 PM PDT As the title suggests how do animals with eyes on the side of their head see whats directly in front of them [link] [comments]  |
| Can you graphically display sound fields? Posted: 12 Oct 2018 06:13 PM PDT Can you convert sound waves into graphic representations based on strength and location? [link] [comments]  |
| Why are the pixels on our screens squares? Posted: 12 Oct 2018 12:03 PM PDT |
| Why is the moon moving away from earth? Posted: 12 Oct 2018 11:52 AM PDT I understand that moon creating tides on earth is losing its energy and that should slow down the moon orbiting around earth. But shouldn't that result in the moon dropping to a lower orbit as the gravitational force between earth and moon can pool them towards each other easier with the moon slowing down? [link] [comments]  |
| Posted: 12 Oct 2018 05:06 PM PDT |
| Why not point the most powerful telescope at the moon and look at Armstrong's footprints? Posted: 12 Oct 2018 08:50 AM PDT |
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