Megathread: 2017 Hurricane Season |
- Megathread: 2017 Hurricane Season
- After recently watching a Kurzgesagt video about bringing a piece of the sun to Earth: Are fusion reactors truly safe when they fail?
- Is spin a bulk property? Does it make sense to talk about the spin of a macro object by adding up spins of individual particles, the same way that we can talk about its charge by adding up the individual charges?
- [Chemistry] Are frozen vegetables any less healthy than fresh ones? Does anything happen at a molecular level when you freeze vegetables that makes them process differently in our bodies?
- Is it possible for black holes to lose their "black hole" status?
- Why is the impact from being hit while wearing a bulletproof vest so much worse than the recoil from a rifle?
- How is the temperature of rogue planets measured?
- Why does the Inverse Compton Effect prevent the atmosphere from lighting up from an atomic explosion?
- Why are there designated unused positions in unicode blocks?
- What type of explosive is being used for the H-Bomb's explosive lenses (Fuse for the fission reaction)?
- At what point does the speed of air moving over a surface start heating from friction rather than cooling by carrying away heat?
- Is there a map of the human genome?
- How are NOAA's storm chaser planes able to fly through hurricane Irma and not go down? I'd think the propellers and/or the windows would take a serious beating. How are they designed to handle the intense wind and rain and keep the crew safe?
- What would happen if you put separate ends of a "rope" into 2 different blackholes?
- How does the destructive force of an H-Bomb propagate?
- After an extended period of time, will a ceiling/floor fan actually make a room warmer because it is adding energy to the molecules around it?
- Do most animals fast when ill?
- Has anyone ever attempted to fuse heavy elements by artificial nucleosynthesis? What would make such a process difficult?
- How long would you need to survive to out live a zombie apocalypse?
- Do plants die of old age?
- Is it possible for a nucleus to 'be' between two excited states?
- Do all solids have a triple point?
| Megathread: 2017 Hurricane Season Posted: 06 Sep 2017 04:29 PM PDT The 2017 Atlantic Hurricane season has produced destructive storms. Ask your hurricane related questions and read more about hurricanes here! Panel members will be in and out throughout the day so please do not expect an immediate answer. Here are some helpful links related to hurricanes: [link] [comments]  |
| Posted: 07 Sep 2017 06:16 AM PDT Reference video: https://www.youtube.com/watch?v=J0ldO87Pprc In the video, Kurzgesagt discusses the possible results of bringing a piece of the sun, gathering from different areas, to Earth and the effects of bringing the pieces. Most of the effects basically involved large, planet affecting explosions. Fusion reactors are described as safe and don't 'melt down'. If we are recreating a process much much hotter than the sun in a fusion reactor, why would a containment fail still be considered safer than a fission reactor, other than the obvious radiation issue? [link] [comments]  |
| Posted: 07 Sep 2017 02:45 AM PDT |
| Posted: 06 Sep 2017 05:57 PM PDT |
| Is it possible for black holes to lose their "black hole" status? Posted: 07 Sep 2017 07:22 AM PDT If a black hole eventually radiates it's mass away through hawking radiation, can it get to the point where it does not meet it's schwarzchild radius, and loses it's "Nothing that passes it's event horizon, not even light, can return" property? [link] [comments]  |
| Posted: 06 Sep 2017 06:14 PM PDT From my understanding, recoil is the force the bullet exerts on the mass of the gun, and the impact felt by the person being hit is the energy of the traveling projectile, spread through the mass of the vest. The force of the bullet is the same in both cases, so why is the reported damage so different? [link] [comments]  |
| How is the temperature of rogue planets measured? Posted: 07 Sep 2017 06:43 AM PDT I came across this video Rogue Planets, Loners of the Universe and they mentioned infrared. I googled and came across answers that mentioned the "energy over waveband the waveband of interest", but I realize that is for planets that orbit a sun. Since rogue planets are defined as objects that have been ejected from the planetary system in which they formed, how does this apply? I've seen thermal and infrared cameras in commercial use - I wonder what type of tools or equipment are necessary to read these measurements in space. [link] [comments]  |
| Posted: 07 Sep 2017 01:17 AM PDT So Inverse Compton Effect is that a charged particle and give some of its energy to a photon, and somehow that prevents the atmosphere from lighting up in an atomic explosion. [link] [comments]  |
| Why are there designated unused positions in unicode blocks? Posted: 06 Sep 2017 07:23 PM PDT |
| Posted: 07 Sep 2017 03:37 AM PDT |
| Posted: 06 Sep 2017 02:24 PM PDT |
| Is there a map of the human genome? Posted: 07 Sep 2017 02:26 AM PDT Is there an accurate map of the human genome? That is maybe an interactive map and says what dna does what in theory. Like showing a giant full length dna sequence of examples and when you click on a certain section it shows eye color, circadian rhythm, and other fascinating theoretical sequences. [link] [comments]  |
| Posted: 06 Sep 2017 11:57 AM PDT |
| What would happen if you put separate ends of a "rope" into 2 different blackholes? Posted: 06 Sep 2017 10:26 PM PDT Hypothetically, the rope is strong enough to not break. [link] [comments]  |
| How does the destructive force of an H-Bomb propagate? Posted: 07 Sep 2017 12:42 AM PDT An atomic bomb keeps sending out particles that will break apart other particles to cause a chain reaction. What about an H-Bomb? All I know is that you use an incredible amount of energy to force light atoms to fuse, resulting in a compound with lower potential energy that what it started with. And then everyone dies...? How? [link] [comments]  |
| Posted: 06 Sep 2017 01:20 PM PDT |
| Do most animals fast when ill? Posted: 06 Sep 2017 10:41 AM PDT |
| Posted: 06 Sep 2017 08:55 AM PDT |
| How long would you need to survive to out live a zombie apocalypse? Posted: 07 Sep 2017 02:23 AM PDT Zombies are just decomposing bodies out in the elements, so how long would you need to survive before they reach a level of decomp that they no longer pose a threat of being able to chase you down and attack you? [link] [comments]  |
| Posted: 06 Sep 2017 12:29 PM PDT Aside from the obvious seasonal plants, do plants such as bushes and trees ever get "old" like people do? If so, are there old characteristics? Can a bush or tree die of old age if it is otherwise healthy? [link] [comments]  |
| Is it possible for a nucleus to 'be' between two excited states? Posted: 06 Sep 2017 08:34 AM PDT Hi everyone, I am currently working on a thesis about radiation and specifically about gamma decay. As I was reading literature about ground state and excited state, I wondered wether it is possible for a nucleus to 'be' between two excited states or between excited state and ground state. I think this is not possible because a emited gammaphoton will include all the energy that is between two states so a gammaphoton can't include half the energy there is between two states. Is my way of thinking correct or am I missing the point horribly here? Thanks in regard! [link] [comments]  |
| Do all solids have a triple point? Posted: 06 Sep 2017 08:29 AM PDT Is it merely a question of getting the temp low enough and pulling a large enough vacuum? I'm trying to determine if I can use sublimation for crystal formation. [link] [comments]  |
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