- Theoretically if there were 6 black holes making a cube shape that blocked off all entrances and you went into the empty space between the black holes (without getting sucked in) what would happen to space and time around you and outside of the theoretical black hole cube?
- Why cant we just make smaller rockets?
- Is there a stable solution of n-body orbits in 3D where one body is significantly smaller than the rest?
- Can a fathers abuse of alcohol affect the number of dopamine receptors in their child?
- Solar cells and TV's keep getting more power efficient, how about things like air conditioners, or other appliances?
- How deep is the magnetic North or South Pole?
- How do companies especially Google handle the huge influx of data sent to them hourly without having their servers run out of storage?
- Is saying "shh" an universal human behaviour for commanding silence, or does it vary from culture to culture?
- With regards to CPU architecture how does branch predicting actual predict an instruction?
- Why do objects reach terminal velocity?
- In rough waters, do fish have a hard time getting around? Are there rapids where fish can't go?
- How does a moth know what color it is to camouflage itself?
- How do we know the shape of the milky way?
- How often are new genes created during genetic recombination?
- Can you hear electricity?
- Is Brownian motion just a catch-all for unexplained particle movement smaller than a micrometer?
- Does temperature affect sound?
- Ask Anything Wednesday - Biology, Chemistry, Neuroscience, Medicine, Psychology
- How do we know gravitational acceleration is the same as other forms of acceleration?
- How does medication (pills, etc.) expire after a certain period? What makes it "go bad" or become ineffective?
| Posted: 13 Jun 2018 06:20 PM PDT For a better understanding of the question let's say it's a hollow sphere composed of black holes. This sphere is completely encapsulated and blocking off the outside universe. Otherwise great answers! I'm humbled for everyone who has taken interest and time to provide insight. [link] [comments]  |
| Why cant we just make smaller rockets? Posted: 14 Jun 2018 04:39 AM PDT So i was doing some reading last night on getting into space and one of the challenges is getting all the weight of a shuttle through the atmosphere and into space. My question is, and it may be a stupid one with a simple answer, why can we not just use smaller rockets? Is it just not worth the money to send one up without a large payload? Are the rockets used to send exploratory vehicles similar in size to a transport rocket such as the falcon heavy? Would it not reduce the cost of launching a rocket to send a lighter rocket with less fuel and mass? [link] [comments]  |
| Posted: 14 Jun 2018 05:38 AM PDT This question was brought on by the recent question about 6 blackholes arranged in a cube, which had some obvious problems, but it got me thinking about wether you could have a stable multibody orbit like a stable Plummer sphere as shown here: https://www.youtube.com/watch?v=ywgoXuVe33s with all the bodies bar 1 being blackholes, and the final body being a human or a spaceship. If the Plummer sphere problem has too much abstraction to be accurate, what about a 3 body solution? or a 4? and so on? I've found what appear to be stable 3 body solutions, including the famous figure 8: https://www.youtube.com/watch?v=jKvnn1r-9Iw. But i would not be able to approach finding a solution with the parameters i'm asking for. Edit: It's been pointed out that I've conflated the meaning of periodic and stable. In terms of this question a periodic solution would satiate me, a stable solution or any comment on the possibility of one would be worth gold [link] [comments]  |
| Can a fathers abuse of alcohol affect the number of dopamine receptors in their child? Posted: 13 Jun 2018 08:38 PM PDT [link] [comments]  |
| Posted: 13 Jun 2018 02:03 PM PDT Is an air conditioner of today leagues more efficient than one built 40 years ago? If not, why not? Are all of our things way better than they used to be or have some things hit a cap on how much we can refine them? [link] [comments]  |
| How deep is the magnetic North or South Pole? Posted: 13 Jun 2018 04:13 PM PDT I assume the magnetic North and South Pole aren't positioned at the exact surface of the planet, just like how the poles in a bar magnet aren't exactly at the very ends of the bar, but a bit more towards the middle. If that's correct, do we know how deep they are underneath the surface? This question came to me as it was mentioned in Jules Verne's Journey to the center of the earth. [link] [comments]  |
| Posted: 13 Jun 2018 06:10 PM PDT Youtube, Google Drive, and Gmail. I've been having a lingering curiosity as to how they manage to contain terabytes of data hourly without deleting it. [link] [comments]  |
| Posted: 13 Jun 2018 07:54 AM PDT |
| With regards to CPU architecture how does branch predicting actual predict an instruction? Posted: 13 Jun 2018 07:16 PM PDT I understand there are conditions statements for which the CPU can skip over when it becomes unnecessary to execute. Does it use any mathematical calculation for probability as well? [link] [comments]  |
| Why do objects reach terminal velocity? Posted: 13 Jun 2018 09:46 PM PDT I know it happens when the opposing drag cancels out the gravitational force, but why does this happen? How do the forces match each other exactly? [link] [comments]  |
| In rough waters, do fish have a hard time getting around? Are there rapids where fish can't go? Posted: 13 Jun 2018 12:01 PM PDT |
| How does a moth know what color it is to camouflage itself? Posted: 13 Jun 2018 05:29 PM PDT |
| How do we know the shape of the milky way? Posted: 13 Jun 2018 10:58 AM PDT Looking at pictures of other galaxy's the milky way has a distinctive shape. It has a galactic bar in the center while other galaxy's have more disk-like centers. How do we know this? [link] [comments]  |
| How often are new genes created during genetic recombination? Posted: 13 Jun 2018 02:23 PM PDT I guess I am specifically asking about the case of humans or similar. When homologous chromosomes combine, the result is a new chromosome and some chaff. My understanding is that most genes from either parent make it through recombination intact, so the chromosome is new but the genes came from one or the other parent. But my understanding is also that some genes do get recombined once in a while; I'm wondering how frequent this is, i.e. are my genes 99.9% from my two parents, or 90%, or 50%, ballpark? [link] [comments]  |
| Posted: 13 Jun 2018 12:32 PM PDT It sounds like an odd question, but I can sometimes hear a high frequency when my cellphone or watch is charging. How is this possible? [link] [comments]  |
| Is Brownian motion just a catch-all for unexplained particle movement smaller than a micrometer? Posted: 13 Jun 2018 05:22 PM PDT I'm learning about this in class and was wondering how a person would distinguish between something like thermal vibrations and Brownian motion. [link] [comments]  |
| Does temperature affect sound? Posted: 13 Jun 2018 12:39 PM PDT |
| Ask Anything Wednesday - Biology, Chemistry, Neuroscience, Medicine, Psychology Posted: 13 Jun 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]  |
| How do we know gravitational acceleration is the same as other forms of acceleration? Posted: 13 Jun 2018 09:15 AM PDT You often hear that being in a box sitting stationary in a gravitational field is equivalent to being in a box that is accelerating, and there is no way for an observer inside the box to know the difference. How do we know this? Is there any possibility there is some quality to being in a gravitational field that would be different from just being in an accelerating box? What experiments have been done to confirm they are equivalent? Thanks. [link] [comments]  |
| Posted: 13 Jun 2018 06:53 AM PDT |
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