AskScience Panel of Scientists XVII |
- AskScience Panel of Scientists XVII
- Why is your mouth much more sensitive to cold water after brushing your teeth or chewing mint gum?
- Why are there little holes in the metal prongs of power adapters?
- Why are their lines radiating out from the craters on the moon?
- How do we know what dinosaurs did with their bodies?
- How do you actually measure the mass of a mountain?
- How long do I have to keep a calendar until I can reuse it again?
- Is it actually possible to see the curvature of the earth while standing on its surface?
- Are there any equations to calculate the amount of force in the strong and weak force?
- How is biometric authentication not practically the same as using the same password for everything?
- How do battery life indicators work?
- What will the James Web telescope reveal about other planets?
- What are the relativistic effects in rockets?
- Why do we stop being contagious after a certain number of days with a common cold?
- During the time that Pangea existed, were there other islands?
- Could an animal grow a propeller?
- How fast does electricity move?
- Is it possible to artificially increase the rate a black hole emits hawking radiation?
- How much ancient biological matter did it take to make one gallon of gasoline?
- [Math] Why is 1/x continous?
- How often does it rain on venus?
- Is (some form of) Teleportation possible today?
| AskScience Panel of Scientists XVII Posted: 07 Aug 2017 01:16 PM PDT Please read this entire post carefully and format your application appropriately. This post is for new panelist recruitment! The previous one is here. The panel is an informal group of redditors who are either professional scientists or those in training to become so. All panelists have at least a graduate-level familiarity within their declared field of expertise and answer questions from related areas of study. A panelist's expertise is summarized in a color-coded AskScience flair. Membership in the panel comes with access to a panelist subreddit. It is a place for panelists to interact with each other, voice concerns to the moderators, and where the moderators make announcements to the whole panel. It's a good place to network with people who share your interests! You are eligible to join the panel if you:
Instructions for formatting your panelist application:
Ideally, these comments should clearly indicate your fluency in the fundamentals of your discipline as well as your expertise. We favor comments that contain citations so we can assess its correctness without specific domain knowledge. Here's an example application: Please do not give us personally identifiable information and please follow the template. We're not going to do real-life background checks - we're just asking for reddit's best behavior. However, several moderators are tasked with monitoring panelist activity, and your credentials will be checked against the academic content of your posts on a continuing basis. You can submit your application by replying to this post. [link] [comments]  |
| Why is your mouth much more sensitive to cold water after brushing your teeth or chewing mint gum? Posted: 07 Aug 2017 08:03 PM PDT |
| Why are there little holes in the metal prongs of power adapters? Posted: 07 Aug 2017 03:38 PM PDT |
| Why are their lines radiating out from the craters on the moon? Posted: 07 Aug 2017 08:10 PM PDT I saw this post in /r/oddlysatisfying [link] [comments]  |
| How do we know what dinosaurs did with their bodies? Posted: 07 Aug 2017 06:33 PM PDT Since the dinosaur era, all organic material has decomposed. That being said, how do scientists know that the Dilophosaur had a pouch for spitting poison into enemies eyes? The material that made up the pouch and poison decomposed long ago. (That was only one example) [link] [comments]  |
| How do you actually measure the mass of a mountain? Posted: 08 Aug 2017 05:52 AM PDT How do you know the volume? Density? What area is considered to be part of the mountain? I've seen the mass of Mt. Everest mentioned as a comparison to other things in several videos, articles and such and I always wondered how this number comes about. [link] [comments]  |
| How long do I have to keep a calendar until I can reuse it again? Posted: 08 Aug 2017 04:46 AM PDT I have a 2016 Taylor Swift calendar that is still hanging on my wall, it just occurred to me that if I leave it up long enough then eventually I'll be able to use it again. I love math, but I'm not fluent in date calculations. (base 7? base 365?) I'm very curious about patterns. I'd love to hear more about the how and why of this question. (don't forget about leap years!) [link] [comments]  |
| Is it actually possible to see the curvature of the earth while standing on its surface? Posted: 08 Aug 2017 04:51 AM PDT I hear many people say at various times that some area is so flat they can see the earth's curvature. Isn't the earth too big for that? Wouldn't any "curvature" observed just be a localized landscape that doesn't actually represent the earths profile? [link] [comments]  |
| Are there any equations to calculate the amount of force in the strong and weak force? Posted: 08 Aug 2017 06:45 AM PDT |
| How is biometric authentication not practically the same as using the same password for everything? Posted: 08 Aug 2017 06:16 AM PDT Sure it is a good password so it can't practically be guessed, but in the event of a database leak with all our fingerprints they are no longer secure and can no longer be used, ever really. [link] [comments]  |
| How do battery life indicators work? Posted: 07 Aug 2017 05:14 PM PDT How can an electronic device measure the remaining amount of life in its batteries? Is there some fundamental difference in the process of the chemical reaction between a dead battery and a full one, or is the measurement based on something like the strength of the current? [link] [comments]  |
| What will the James Web telescope reveal about other planets? Posted: 07 Aug 2017 07:42 PM PDT I understand it's a long distance telescope but I heard it's also going to be used to study other world's outside our solar system. What kind of information are we talking about? [link] [comments]  |
| What are the relativistic effects in rockets? Posted: 08 Aug 2017 06:17 AM PDT There are very heavy relativistic effects when approaching the speed of light, but are there any on rockets, more precisely, the fastest rocket? [link] [comments]  |
| Why do we stop being contagious after a certain number of days with a common cold? Posted: 07 Aug 2017 12:16 PM PDT I've read that the rhinovirus takes 5 - 7 days for it to be non-contagious after symptoms first appear. If this is true, why? Has the immune system simply knocked the virus on the head? Why do we still have symptoms but stop being contagious? [link] [comments]  |
| During the time that Pangea existed, were there other islands? Posted: 07 Aug 2017 03:39 PM PDT I'm assuming that there weren't any large islands (Madagascar size), but were there any smaller islands? If there were, would they have had large life (small rodents, trees, etc)? Also, I'm not sure if I used the correct flair - please let me know if I should change it. [link] [comments]  |
| Could an animal grow a propeller? Posted: 07 Aug 2017 11:16 PM PDT Could a flying bug/animal grow a propeller for flight? Why haven't they already? [link] [comments]  |
| How fast does electricity move? Posted: 07 Aug 2017 07:19 PM PDT I just saw that gif of the people lined up, and the guy at the end touched the electric fence and it seemed as though they all were instantly zapped at the same time. If the line were a lot longer would it take more time? [link] [comments]  |
| Is it possible to artificially increase the rate a black hole emits hawking radiation? Posted: 08 Aug 2017 02:32 AM PDT As far as I understand hawking radiation is the only way black holes emit energy, but big ones out in space emit almost none. If some future space civilization found a black hole out in space and wanted to extract energy from it, is there any posible way they could manipulate the conditions around or in the black hole as to cause it to emit more hawking radiation? [link] [comments]  |
| How much ancient biological matter did it take to make one gallon of gasoline? Posted: 07 Aug 2017 05:41 PM PDT I assume that the process of matter becoming crude oil is not 100% energy efficient, and I also assume that the process of refining crude into gasoline isn't 100% efficient as well. So how much is lost in the process? [link] [comments]  |
| Posted: 07 Aug 2017 07:32 PM PDT According to everything I have, a function is continous in the point a if:
However, everywhere in the internet says that f(x)=1/x is a continous function when f(0) does not exists and lim x->0 f(x) does not exists either. If the only reason of it being continous is that 0 is not in it's domain, then, would (for example) (x2 -4) /(x-2) be continous just because the only point where f(a) does not exists does not belongs to the domain? Is there then any non-continous function that is not piecewise defined? Any not piecewise defined function I can think of is "not continous" only in the points that don't belong to the domain so then if I follow the "1/x is continous" thinking these functions are continous too. Sorry for language, english is not my native language and maybe some terms differ a lot in between. [link] [comments]  |
| How often does it rain on venus? Posted: 07 Aug 2017 05:42 PM PDT I can't seem to find a solid answer for this anywhere - I'm specifically looking for how often it rains acid in the 'habitable zone' upper atmosphere of venus. So far I've only been able to find that it is 'frequent'. Overall I've had very little luck finding much info at all on venus outside the basics - even nasa's page doesn't have much more on it than wikipedia. [link] [comments]  |
| Is (some form of) Teleportation possible today? Posted: 07 Aug 2017 03:46 PM PDT In the BBC4 documentary "Visions Of The Future (2007)-Part 3 - The Quantum Revolution" there are reference made regarding a form of teleportation. Is there scientific proof today of forms of teleportation possibilities today ? [link] [comments]  |
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