Does dyslexia occur in blind people, for instance when reading braille text? |
- Does dyslexia occur in blind people, for instance when reading braille text?
- RIP Kepler Megathread
- Why can we take the square root of a negative number, which is nonsensical, and call it a "complex number," but we can't represent a division by zero, a similarly nonsense operation, with some other type of number?
- Does light have a temperature? If so can it change?
- If the Hubble telescope can see 10-15 billion lightyears away, wouldn't that mean it could witness the universe before the Big Bang?
- Ask Anything Wednesday - Biology, Chemistry, Neuroscience, Medicine, Psychology
- [Mathematics] Equivalent of the maximal torus theorem for finite groups?
- If we know what kind of bacteria causes the majority of cavities, why don't we just make an antibiotic that targets them and distribute it like a vaccine at a doctor's office?
- If I took a picture of a sunrise over the ocean and a sunset over the ocean, is there anyway for someone else to tell which picture is which?
- What is still?
- Can quantum effects be observed on a macroscopic scale?
- Why do humans tend to raise their pinky finger while holding items like bottles or cups?
- Why does everything in our solar system orbit the sun on the same plane? Does the whole universe act this way?
- How does the moon create ocean waves?
- Given that white reflects heat/sunlight, would standing on a white floor, outside, make you hotter than any floor color would?
- Why are reactive materials often stored under argon but rarely ever helium?
- Can photons bounce off one another?
- Polarizing filters are useful in normal environments- so why isn't the polarization of the environment random to begin with?
- Why doctors prescribe beta blockers for heart insufficiency or heart failure? It seems counterintuitive to give drugs that further decrease the heart pulse and power.
- Why is language gender a thing in some languages but not others?
- How important is water to the composition of lava?
- What is a redshift? I was just looking at the Sloan digital survey and I'm curious. Thanks
| Does dyslexia occur in blind people, for instance when reading braille text? Posted: 30 Oct 2018 02:45 PM PDT |
| Posted: 30 Oct 2018 10:27 PM PDT After decades of planning and a long nine years in space, NASA is retiring the Kepler Space Telescope as it has run out of the fuel it needs to continue science operations.We now know the Galaxy to be filled with planets, many more planets existing than stars, and many very different from what we see in our own Solar System. And so, sadly we all must say goodbye to this incredibly successful and fantastic mission and telescope. If you have questions about the mission or the science, ask them here! [link] [comments]  |
| Posted: 30 Oct 2018 11:04 PM PDT |
| Does light have a temperature? If so can it change? Posted: 31 Oct 2018 05:09 AM PDT |
| Posted: 31 Oct 2018 01:20 AM PDT If light travels at the speed of light, and the Hubble is able to see objects 10-15 billion lightyears away, wouldn't light from that 10-15 billion years be what it would witness? If the Big Bang happened 13.5 billion years ago, then how would the Hubble be able to (essentially) see light from 15 billion years ago?? And could this be used to witness the early stages of the Big Bang? [link] [comments]  |
| Ask Anything Wednesday - Biology, Chemistry, Neuroscience, Medicine, Psychology Posted: 31 Oct 2018 08:12 AM PDT Welcome to our weekly feature, Ask Anything Wednesday - this week we are focusing on Biology, Chemistry, Neuroscience, Medicine, Psychology Do you have a question within these topics you weren't sure was worth submitting? Is something a bit too speculative for a typical /r/AskScience post? No question is too big or small for AAW. In this thread you can ask any science-related question! Things like: "What would happen if...", "How will the future...", "If all the rules for 'X' were different...", "Why does my...". Asking Questions: Please post your question as a top-level response to this, and our team of panellists will be here to answer and discuss your questions. The other topic areas will appear in future Ask Anything Wednesdays, so if you have other questions not covered by this weeks theme please either hold on to it until those topics come around, or go and post over in our sister subreddit /r/AskScienceDiscussion , where every day is Ask Anything Wednesday! Off-theme questions in this post will be removed to try and keep the thread a manageable size for both our readers and panellists. Answering Questions: Please only answer a posted question if you are an expert in the field. The full guidelines for posting responses in AskScience can be found here. In short, this is a moderated subreddit, and responses which do not meet our quality guidelines will be removed. Remember, peer reviewed sources are always appreciated, and anecdotes are absolutely not appropriate. In general if your answer begins with 'I think', or 'I've heard', then it's not suitable for /r/AskScience. If you would like to become a member of the AskScience panel, please refer to the information provided here. Past AskAnythingWednesday posts can be found here. Ask away! [link] [comments]  |
| [Mathematics] Equivalent of the maximal torus theorem for finite groups? Posted: 31 Oct 2018 04:52 AM PDT In the theory of Lie groups there's a really nice theorem which states that if G is a compact connected Lie group, and T<G is a maximal torus, then every element of G is conjugate to an element of T. Does this theorem also hold for finite groups? (Replacing maximal torus with maximal Abelian subgroup). I'm interested in particular in the case of the finite symplectic group over GF(p) where p is a prime. I've looked hard into the literature, but it's pretty dense so if somebody could point me to where to find the answer, it would be super useful! [link] [comments]  |
| Posted: 30 Oct 2018 10:31 AM PDT |
| Posted: 30 Oct 2018 02:18 PM PDT |
| Posted: 30 Oct 2018 10:08 PM PDT When people study time travel they always reference the movement of the earth in the solar system and the solar systems movement in the galaxy but how do we know what is or isn't moving, since the only reference points we have are other objects? The ISS is orbiting earth, which is orbiting the sun, which Is part of material that is orbiting a theoretical supermassive black hole in space. Anytime we move in a ship or suit we state out movement speed in metered per second usually. These speeds are all relative to other celestial bodies though. Such as moving 1000 kilometers per hour away from earth. When floating in space, no matter the speed, without anything moving past us, wouldn't we theoretically think we were sitting still? Additionally, is there some kind of test to tell if matter has any directional force of if it is completely still? If all of this is a thing, what is it called? [link] [comments]  |
| Can quantum effects be observed on a macroscopic scale? Posted: 30 Oct 2018 11:50 AM PDT For example, is there an extremely small probability that all of the particles in one object become entangled with all the particles of a different object? Does the Heisenberg Uncertainty Principle apply to large objects? Sorry for my poor understanding of quantum mechanics. [link] [comments]  |
| Why do humans tend to raise their pinky finger while holding items like bottles or cups? Posted: 30 Oct 2018 07:17 PM PDT I noticed it's sort of a joke to be "fancy" by raising your pinky finger, but I catch myself and others doing it instinctively all the time when drinking or holding objects in a like manner. Why do we do it, and does everyone do it if they aren't paying attention? [link] [comments]  |
| Posted: 30 Oct 2018 10:05 PM PDT |
| How does the moon create ocean waves? Posted: 30 Oct 2018 03:14 PM PDT |
| Posted: 30 Oct 2018 11:54 AM PDT |
| Why are reactive materials often stored under argon but rarely ever helium? Posted: 30 Oct 2018 07:27 PM PDT Both gases are fairly cheap (argon is 1% of the atmosphere and helium is widely available.), so cost likely isn't a factor. Does it have to do with atom size and helium being able to more easily "escape" than argon? [link] [comments]  |
| Can photons bounce off one another? Posted: 30 Oct 2018 09:55 AM PDT |
| Posted: 30 Oct 2018 06:49 PM PDT You can use a polarizing filter to reduce some glare from the sun off the surface of a lake. Why would the light from the sun all have the same polarity to begin with? Why would the rocks under the surface of the lake be reflecting sunlight not matching the polarity of that of the surface? Is the surface itself preferentially reflecting one polarity, and if so, why? edit: I don't find it so strange for hard surfaces that might have preferred directions, some grain or fiber... but water, how? [link] [comments]  |
| Posted: 30 Oct 2018 12:08 PM PDT |
| Why is language gender a thing in some languages but not others? Posted: 30 Oct 2018 06:39 AM PDT I'm a native English speaker, but I am now starting to learn Spanish. English doesn't have [many?] gendered words (other than pronouns like "he" and "she"), but Spanish is full of gendered words -- even "a" = "un" and "una", and "the" = "el" and "la". Why do some cultures develop gendered words while others do not? [link] [comments]  |
| How important is water to the composition of lava? Posted: 30 Oct 2018 05:15 PM PDT A friend and I recently got into a debate on lava composition (of all things). He stressed in his argument that "lava is made of water," while I argued that "lava is for all intents and purposes made entirely of molten rock." Google searches told me that there is some water vapor dissolved in magma, but is it really so significant a component to say that "lava is made of water?" Thanks in advance for your help! [link] [comments]  |
| What is a redshift? I was just looking at the Sloan digital survey and I'm curious. Thanks Posted: 30 Oct 2018 01:13 PM PDT |
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