How is the fatigue life of an airplane wing flexing during turbulence determined? How do they keep track of it? |
- How is the fatigue life of an airplane wing flexing during turbulence determined? How do they keep track of it?
- How can a bolt from a crossbow have a higher penetration power but less range than an arrow from a bow?
- Why are there as many electrons as protons in the universe?
- Can any animals ACTUALLY smell fear?
- Does irradiation of food for safety purposes affect nutritional content?
- [Physics] Why neutrons are uncharged? Why it's important?What happens if it does not exist?
- Why do rockets only use chemical reaction (fuel, oxidizer, cryogenics, etc.) boosters? Why not a chemical/ion/nuclear combo? Size a big factor?
- Can Astronomers actually see other galaxies rotating, other stars moving, and other such events in "real-time" or does space appear to stand still?
- What makes a chemical dangerous to smell?
- Is the empty space near the Sun (say, closer than Mercury) hot or cold?
- What, atomically, happens when electricity arcs and produces light?
- How aware are humans of our surroundings when we sleep?
- Why does freezing work for embryos but not adults?
- How do Economists Calculate how much Currency to Mint?
- Since they just claimed to find a star that is 9 billion light years away, would this change how old and big the universe is?
- Why do storms on our solar systems outer planets last so long?
- If a solar panel isn't connected to a power grid, what happens to the electricity generated?
- I'm currently aboard train with electric wall sockets for every seat. Is it possible to use so much electricity that the train is slowed down?
- Why does injury recovery focus heavily on reducing inflammation?
- If the entire moon exploded would the proximity to earth allow for sound to be transmitted back to earth on a global scale and be heard in ways similar to that of a bomb explosion?
- How do contraceptive pills work when taken consecutively?
| Posted: 02 Apr 2018 03:52 PM PDT |
| Posted: 03 Apr 2018 12:59 AM PDT |
| Why are there as many electrons as protons in the universe? Posted: 03 Apr 2018 02:06 AM PDT |
| Can any animals ACTUALLY smell fear? Posted: 03 Apr 2018 05:31 AM PDT I've heard it about numerous animals, but can are there any species with the ability to detect fear through scent? [link] [comments]  |
| Does irradiation of food for safety purposes affect nutritional content? Posted: 03 Apr 2018 07:08 AM PDT |
| [Physics] Why neutrons are uncharged? Why it's important?What happens if it does not exist? Posted: 03 Apr 2018 04:57 AM PDT Hydrogens don't have neutrons why other elements have it?what happens if we remove neutrons from other elements is it possible to do that? (Sorry for my grammar mistakes) :) [link] [comments]  |
| Posted: 02 Apr 2018 10:21 PM PDT My thinking would be chemical boosters to exit earths atmosphere, and a nuclear/ion booster for deep space travel. [link] [comments]  |
| Posted: 02 Apr 2018 09:59 PM PDT I know that we are able to detect planets by measuring the light from stars when a planet passes in front of it. Though that is perhaps the only "real-time" event that I know of that we observe. What sort of activity in the cosmos can we watch in real-time? For example, since the Sombrero Galaxy has been found, has it rotated enough to reveal more of it's structure or appear exactly the same after all these years? Sorry if this seems like a painfully stupid question. [link] [comments]  |
| What makes a chemical dangerous to smell? Posted: 02 Apr 2018 04:55 PM PDT |
| Is the empty space near the Sun (say, closer than Mercury) hot or cold? Posted: 02 Apr 2018 02:41 PM PDT I know that once you leave the atmosphere things get mad cold out there, and heat needs some kind of medium to propagate through(?). But I also know that the Sun is really, extremely hot, and the heat on earth I presume has to get here somehow. If you were floating in space near the sun, would you burn to a crisp or freeze (after you suffocate, obvs)? If it's hot, what is the heat propagating through? [link] [comments]  |
| What, atomically, happens when electricity arcs and produces light? Posted: 02 Apr 2018 03:48 PM PDT I understand that when electrons are forced to change energy state in an atom this produces light of specific energy levels, is it something similar, or have I got that bit wrong as well? [link] [comments]  |
| How aware are humans of our surroundings when we sleep? Posted: 02 Apr 2018 08:02 AM PDT I ask this because I spent the last few nights sleeping in a hotel room, and for whatever reason- I woke up every few hours. When I'm sleeping in my own bed, I rarely wake up until the alarm sounds. Another thing that I noticed is that if I fall asleep in my bed, I can roll around and end up in weird positions or on the other side of the bed, yet if I fall asleep on a bench or shallow couch, I wont roll off and fall on the floor. These occurrences lead me to believe that we must have some senses active while we're sleeping that remains responsible for sensing our surroundings. [link] [comments]  |
| Why does freezing work for embryos but not adults? Posted: 02 Apr 2018 10:29 AM PDT |
| How do Economists Calculate how much Currency to Mint? Posted: 02 Apr 2018 08:36 AM PDT For given countries, are there 'go to' formulas used for Economists to calculate how much new money the government should be minting at a given moment? What kind of variables does it operate on, and if there are more than one, what are the pros and cons of each? Seems like a very difficult problem that must have been solved to some degree by someone at some point. [link] [comments]  |
| Posted: 02 Apr 2018 02:28 PM PDT As I understand it, the universe is as big as however far it is to the furthest we can detect light from, multiplied by 2 to give us the diameter. Link: http://go.newsfusion.com/nasa-news/item/5561790 [link] [comments]  |
| Why do storms on our solar systems outer planets last so long? Posted: 02 Apr 2018 01:08 PM PDT Title. Earth's toughest storms seem to only last a few weeks. But storms on the outer most planets have storms which have lasted for years or decades. What is so different about Earth? [link] [comments]  |
| If a solar panel isn't connected to a power grid, what happens to the electricity generated? Posted: 02 Apr 2018 10:42 PM PDT |
| Posted: 02 Apr 2018 10:53 AM PDT The train is 8 carriages long with an electric locomotive at the front end. Each carriage looks to have about sixty seats each, each seat has with 2 standard European 240V sockets (two sockets under each pair of seats, two in front). Doing the maths, that works out to 1920 sockets. While I haven't tried to overload the capacity, I forgot to bring any high-wattage appliances for my journey, and so did the rest of the passengers. So, is it possible to make the conductors and staff at least notice something if every single socket is in use? Just a thought. [link] [comments]  |
| Why does injury recovery focus heavily on reducing inflammation? Posted: 02 Apr 2018 09:35 AM PDT Rest, elevate, ice, wrap, take NSAIDs. How does it make me heal quicker to reduce inflammation? [link] [comments]  |
| Posted: 02 Apr 2018 07:57 PM PDT |
| How do contraceptive pills work when taken consecutively? Posted: 02 Apr 2018 12:23 PM PDT As I was studying biology today and exactly the moment I was looking at how contraceptive pills work, my dad looked over and started asking me to explain it...then I realized I have the basic knowledge of how contraceptive pills work but haven't grasped the full, intricated details. At least not how they work with the hormones levels. Then, my mother starting asking about taking the pills consecutively, because she notices I sometimes take them two packs after each other. I did not have an answer to it, hence I am wondering the exact procedure when I take them back to back without a stop. [link] [comments]  |
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