Why is myopia common in young adults, when (I assume) this would have been a serious disadvantage when we were hunter gatherers? |
- Why is myopia common in young adults, when (I assume) this would have been a serious disadvantage when we were hunter gatherers?
- Is the sun capable of running on any kind of material or is it specific to hydrogen?
- Seems like some joint injuries are the hardest to come back healthy from, like knees and ankles. Is it the complexity of the body part or the fact that it’s used the most in the body system?
- How do forest fires start?
- Do black holes have equatorial bulge?
- What happens when hadrons collide in a particle accelerator?
- What is happening when things go stale?
- (chem/phys) What kind of bond is created when I heat eggs in a frying pan and they "stick" to it's surface after? For the food that is really "stuck on", has this food diffused into the surface of the pan, or is their no atomic mixing at all? If not, then what accounts for the actual "stickiness"?
- Why is a turning point on the plot of 1^1 to 0^0 ?
- What is a C Metric?
- How much resources do huge AIs like AlphaGo and AlphaZero take up?
- Why don’t the southern west coast states get the same amount of snow/cold as the southern eastern board states do?
- How do we control our tongue? Question from my 10 year old
- When charging a battery, what is the best time to charge the battery to ensure total battery longevity?
- How fast does our brain process light?
- Is there an infinite matrix?
- Why are the computer screen resolutions (e.g. 1920x1080) exactly those?
- How do people tell the demand for a currency and how is it measured?
- why does DNA ligase require ATP to join two fragments of DNA?
- Why do antiferromagnets increase their susceptibility with temperature below the neel point , while the net magnetization is zero?
| Posted: 07 Dec 2017 05:45 PM PST |
| Is the sun capable of running on any kind of material or is it specific to hydrogen? Posted: 07 Dec 2017 07:20 PM PST I've been thinking for my entire life that the sun can only be made out of hydrogen, however, there are a few science articles on the internet stating that the sun can be made out of any material with little to no difference compared to the sun now. This is one of the article btw: http://daleswanson.blogspot.com/2011/03/sun-made-out-of-bananas.html [link] [comments]  |
| Posted: 07 Dec 2017 03:31 PM PST |
| Posted: 07 Dec 2017 07:29 PM PST |
| Do black holes have equatorial bulge? Posted: 07 Dec 2017 04:11 PM PST |
| What happens when hadrons collide in a particle accelerator? Posted: 07 Dec 2017 07:40 PM PST Do the collisions behave the same as the sort of collisions in high school physics classes where momentum and energy are conserved? [link] [comments]  |
| What is happening when things go stale? Posted: 07 Dec 2017 10:14 PM PST Bonus: what is the best household way to keep things from going stale? [link] [comments]  |
| Posted: 07 Dec 2017 06:25 PM PST |
| Why is a turning point on the plot of 1^1 to 0^0 ? Posted: 07 Dec 2017 11:52 AM PST So we take the fallowing problem : 11 = 1 0.90.9 = 0.909 0.80.8 = 0.836 0.70.7 = 0.779 0.60.6 = 0.736 0.50.5 = 0.707 0.40.4 = 0.693 0.30.3 = 0.696 0.20.2 = 0.724 0.10.1 = 0.793 0.00.0 ~ 1 So we see that somewhere between 0.50.5 and 0.30.3 it will be the lowest value. Seems that the turning point is 1/e ( 0.367879441170.36787944117 = 0.69220062755 ). Why there ? Is there a special thing about this number ? Does this "problem" have a name ? Sorry if this a noob question, but it's the first time I see this pattern. [link] [comments]  |
| Posted: 07 Dec 2017 08:54 PM PST In general relativity there seems to be a concept of a C Metric, based off of some paper by Levi-Civita I think. What is it, and what is it for? [link] [comments]  |
| How much resources do huge AIs like AlphaGo and AlphaZero take up? Posted: 07 Dec 2017 07:37 PM PST Just wondering exactly what it takes to run these very strong AI program that can learn to beat world champions in a matter of hours. I don't actually know of any other big/commercial AIs, but feel free to mention anything! [link] [comments]  |
| Posted: 07 Dec 2017 11:55 AM PST For example: it's supposed to snow in Alabama/Georgia soon, but it's still decently warm in California; they're both states that are close to the ocean and on the same latitudinal range but have different weather dynamics. [link] [comments]  |
| How do we control our tongue? Question from my 10 year old Posted: 07 Dec 2017 07:53 PM PST My 10 year old asked me a question that had me stumped and short of coming up with a typical 'dad answer' I thought I'd get a better response from here. She asks 'How is it that we can make our tongue fat and then make it flat?' As in you can point your tongue and make it more cylindrical and then you can flatten it out. We can't do that with any other part of our body that doesn't have bones in it (can we?) [link] [comments]  |
| Posted: 07 Dec 2017 03:44 PM PST I know batteries are fairly simple chemical reactions with the charged atoms moving from one side to the other, and that as batteries age, they lose their ability to retain charge, but I was wondering if there was an ideal time to charge batteries (say at maybe 10% or 12% or 20% of life left,) or is there something else to consider before charging things? [link] [comments]  |
| How fast does our brain process light? Posted: 07 Dec 2017 02:36 PM PST Can it be altered? I was wondering this when I had a deja vu moment . If we process light at certain speeds, that would mean we are experiencing the past. [link] [comments]  |
| Posted: 07 Dec 2017 11:54 AM PST This question popped into my head during a linear algebra lecture, I'd love to get an explanation from someone far better at math than I am! So if out of all matrices you can take a certain (albeit limited) number of unique sub-matrices, does it come to pass that all matrices can be seen as sub-matrices of a larger, perhaps infinite matrix? On a related note, could this infinite matrix also include imaginary numbers? Variables and/or functions? Or would those matrices have to be entirely separate? And if it's the case that the matrices are separate, does that mean that each "infinite" matrix is not truly infinite? [link] [comments]  |
| Why are the computer screen resolutions (e.g. 1920x1080) exactly those? Posted: 07 Dec 2017 07:02 AM PST They are not powers of 2, as is common in computing. Is it the divisibility, or is there a hardware reason for that? [link] [comments]  |
| How do people tell the demand for a currency and how is it measured? Posted: 07 Dec 2017 07:40 AM PST I was researching gdp ppp and the article said it is determined by the demand for a currency. How do people find out what that demand is. Surely there's an insane amount of demand for all currency. How can you measure how much people want something when everyone wants more at almost all times? [link] [comments]  |
| why does DNA ligase require ATP to join two fragments of DNA? Posted: 07 Dec 2017 07:37 AM PST |
| Posted: 07 Dec 2017 07:31 AM PST |
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