What is the very worst case scenario in relation to the rise in water levels? Can Earth become an ocean planet? |
- What is the very worst case scenario in relation to the rise in water levels? Can Earth become an ocean planet?
- When it is crazy cold in the U.S. does that mean that the globe is likely colder overall at the moment, or is the distribution of cold and warm on the planet just distributed differently?
- How does the water supply network still remain liquid in cities even at very cold temperatures? Why don't the pipes freeze?
- [Human Body] Are 'fast twitch' muscle fibers anatomically larger in size than 'slow twitch' ones?
- Does doubling your computing power halve your processing time? Are 4 cores always 2x better than 2 cores of equal clock speed?
- Are magnetic materials stronger than they would otherwise be without their magnetic field?
- How do painkillers work?
- How dangerous is Chernobyl today?
- The angler fish attracts prey, but, does it attract predators too?
- Special Relativity Concept: n number of spaceships travel in a line, each with velocity 0.5c with respect to the one behind it. Is that possible?
- Which explanation for aerodynamic lift is correct?
- Is hearing loss like a noise gate (you can't hear quiet sounds), or is it like an overall volume reduction?
- Potentially stupid question: How do scientists calculate the length of a year?
- In Everett's multiple worlds interpretation of quantum mechanics, do the other worlds already exist prior to splitting, or do they come into existence after?
- Biologically speaking, is there any difference between a genius and a ordinary person brain's?
- MOSFET: Why do fixed oxide charges increase the flatband voltage?
- Do any animals live at the extreme poles and how do they survive?
- Does brain-training work to improve cognitive abilities, or only improve the exact tasks in the training-program?
- Do the results of the quantum eraser experiment imply that faster than light communication is possible?
- How exactly do benzodiazepines affect the brain?
- Why are heavy metals considered toxic?
- Is the sea the same “salty” in all oceans ?
- How does heat travel? Does it need something to conduct it like sound and can it travel through vacuum?
| Posted: 02 Jan 2018 05:05 AM PST Is it at all possible that the earth can become an ocean planet? I've seen some rather extreme maps that show only a vast ocean with only narrow strips of land of both hemispheres but most maps seem to show only losing some coastal areas like London and NYC. So, the simple question is, is there ANY scenario of the planet being taken by basically 90% ocean? Regardless of the likelihood, is there ANY scenario where humanity is forced to become a sea faring species? [link] [comments]  |
| Posted: 02 Jan 2018 04:25 AM PST |
| Posted: 01 Jan 2018 08:52 PM PST |
| [Human Body] Are 'fast twitch' muscle fibers anatomically larger in size than 'slow twitch' ones? Posted: 02 Jan 2018 05:02 AM PST In my limited understanding of the human skeleto-muscular system I am aware there are 2 types of muscle fibers. Fast twitch: Develop from sprint-like exercise such as running sprints, 50m swimming races, lifting heavy weights close to your maximum limit etc. Slow twice: Develop from endurance exercise such as long distance running and swimming, lifting light weights for prolonged periods/repetitions. My question is because in the gymming and weight lifting community there is a consensus that muscle growth (size) occurs when the muscles are put under duress and they fatigue. I am told that fatigue is essential in muscle growth because it generates muscular repair and rebuilds the muscle larger than before. Therefore lifting heavy weights is advocated because it puts the muscles under more fatigue and subsequently more growth. Growth of which is that of fast twitch fibers. But is there any scientific difference in the composition of fast twitch and slow twitch fibers that makes them larger? If a weight lifter were to lift only <5kg but for prolonged periods of 50-100 reps, that then fatigued the muscle, would the developing slow twitch muscle fibers be smaller than compared to fast twitch ones? If the answer is no, why do people not commonly build muscle size through slow twitch fibers? The answer may be obvious but it eludes me. Thank you. [link] [comments]  |
| Posted: 02 Jan 2018 07:37 AM PST |
| Are magnetic materials stronger than they would otherwise be without their magnetic field? Posted: 01 Jan 2018 03:12 PM PST To clarify the title, does magnetic force within a magnetic object, like a natural magnet, contribute to its actual structural strength? Is say... a magnetized piece of iron stronger than a non-magnetized piece? Would the magnetic force within the material hold the atoms more snugly together, or am I completely off-base in my understanding of this? [link] [comments]  |
| Posted: 01 Jan 2018 08:22 AM PST |
| How dangerous is Chernobyl today? Posted: 01 Jan 2018 11:45 PM PST You can go on tours through the city? So I'm assuming short term, it's not that dangerous. Or are certain areas worse? Also, in the long term, is the risk of cancer what prevents rebuilding? [link] [comments]  |
| The angler fish attracts prey, but, does it attract predators too? Posted: 01 Jan 2018 04:47 PM PST I imagine angler fishes are easy to find in the deep ocean, and I don't think it is the biggest fish around, so, does it also attract predators?, how does it manage to attract prey more than it attracts predators? [link] [comments]  |
| Posted: 01 Jan 2018 09:44 PM PST Is it possible for a spaceship to leave earth at 0.5c, then another smaller spaceship to travel ahead of the first one at 0.5c relative to the frame of the first spaceship? (And so on for any number of spaceships?). My limited knowledge of relativity tells me that you could do this any number of times, and even after many spaceships they would still only be traveling something like 0.99c due to relativistic effects.... someone correct me if I'm wrong please! [link] [comments]  |
| Which explanation for aerodynamic lift is correct? Posted: 02 Jan 2018 03:04 AM PST So I'm currently studying for an aviation exam and I'm really struggling to find a good and somewhat simple explanation for aerodynamic lift. The problem is that a lot of the explanations you find in aviation books (not physics books) are incorrect or incomplete. I am really confused now so maybe you can help me out. Also, apologies for language errors, I'm still practicing my English. Here's what I figured out so far:
[link] [comments]  |
| Posted: 01 Jan 2018 03:51 PM PST |
| Potentially stupid question: How do scientists calculate the length of a year? Posted: 01 Jan 2018 05:01 AM PST New Year's is around and it's time to write the date incorrectly for a few months. But how exactly do we know that the Earth has made its full circle around the Sun? And another question: when our modern calendar was invented, how on earth did THEY know how long a year was? Thanks for reading and have a great 2018 everyone :) [link] [comments]  |
| Posted: 02 Jan 2018 12:00 AM PST Wish I could get more information on this theory, but most of what comes up when I google it is critiques and the bio-doc with his son. [link] [comments]  |
| Biologically speaking, is there any difference between a genius and a ordinary person brain's? Posted: 01 Jan 2018 02:46 PM PST Sorry for any grammar error, english is not my first language. Edit1: Yes, by genius I mean IQ. [link] [comments]  |
| MOSFET: Why do fixed oxide charges increase the flatband voltage? Posted: 01 Jan 2018 03:43 PM PST As shown in the link, how do oxide charges increase the flatband voltage? https://imgur.com/a/IZtBs EDIT: Title should say MOS Capacitor EDIT2: Is it because flatband voltage is negative?[link] [comments]  |
| Do any animals live at the extreme poles and how do they survive? Posted: 01 Jan 2018 05:23 PM PST I know of the animals that live near the poles such as penguins and polar bears. But this usually refers to the coastal parts of the polar surface (Coasts of Antarctica and the coast of the northern ice sheet). Do any animals live inland and actually close (say within 100 km) of the actual poles? How do they feed themselves without access to plants or sea? [link] [comments]  |
| Posted: 01 Jan 2018 05:47 PM PST |
| Posted: 01 Jan 2018 11:59 PM PST i recently finished watching a PBS space time video on the quantum eraser experiment and it got me interested (LINK: https://www.youtube.com/watch?v=8ORLN_KwAgs). So I did a bit of research and unless I am misunderstanding the experiment, do the results not imply that causality and information can travel backwards in time? Say for example I set up an experimental apparatus where the photons which split through the prism land on a screen directly in front of me, whereas their entangled counterparts go off to a distance very far away (for example 10 light minutes away) to the quantum eraser. If I agreed prior to this experiment with an observer that is at the other end (by the quantum eraser) to either enable the quantum eraser or to disable it as a yes or no answer. Then can I not have instantaneous but binary communication? If I am understanding the experiment correctly then the entangled photons arrive at the second detector AFTER those that arrive at the first screen but still retroactively influency the photons that hit the screen first. This seems to imply that I should see either an interference pattern or a particulate-like pattern before the entangled counterpart reaches the person I am trying to communicate to in my frame of time. And theoretically that individual could communicate an outcome to me, prior to it occuring in my timeframe. Sorry if this is a jumble! Thank you! [link] [comments]  |
| How exactly do benzodiazepines affect the brain? Posted: 01 Jan 2018 05:15 PM PST I am prescribed Ativan for panic attacks. When I take 1 mg, I am calmer and my heart rate goes back to normal. However, after taking 3 mg one day, I almost immediately fell asleep (I don't remember much of anything after taking the pills) for a long period of time, and I woke up very confused. I'm wondering how exactly benzodiazepines (more specifically Ativan) are able to produce a calming effect at a lower dosage but a sedative effect at a higher one? [link] [comments]  |
| Why are heavy metals considered toxic? Posted: 01 Jan 2018 04:55 PM PST Sorry if I butchered the title. I'm asking about how heavy metals are toxic. [link] [comments]  |
| Is the sea the same “salty” in all oceans ? Posted: 01 Jan 2018 03:03 PM PST Is the salt concentration consistent in all oceans around the world? Or does it vary because of factors ? Of course we all know the Dead Sea is more salty, that's a given [link] [comments]  |
| Posted: 01 Jan 2018 02:46 PM PST |
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