How do we take pictures of our galaxy if we are in our galaxy? |
- How do we take pictures of our galaxy if we are in our galaxy?
- Why do things smell? Can smell be measured?
- What is the largest possible tsunami size?
- Ask Anything Wednesday - Engineering, Mathematics, Computer Science
- If Michael Phelps started at the bottom of a pool, could he swim upwards with enough force to propel himself completely out of the water like a whale?
- Why do nuclear or atomic bombs create mushroom clouds?
- Where sensors and analysis measure global temperature?
- Is √-1 the only imaginary number?
- What's on the other side of a belly button?
- When dropping a phone, can the case breaking off absorb some of the shock?
- Krebs Cycle: Where does the extra oxygen come from in the oxaloacetase+Acetyl CoA-->Citrate step?
- Do animals avoid incest when mating in the wild?
- In the double slit experiment, what are the results if you remove the slits? Does the wave pattern still appear?
- Why is gas under pressure cold?
- Do animals seek a variety in their diet?
- Why can't I charge my bigger devices using USB?
- If fire needs oxygen to survive then how some water, 1 part oxygen 2 parts hydrogen doesn't just fuel the fire with the oxygen component?
- Why can you only recharge lithium-ion batteries? Why can't you recharge alkaline batteries?
- How wide would the Sagittarius A* be, if it wasn't collapsed? What I mean is, it still had the same weight, but the density of earth.
- How do antiperspirants work chemically?
- Human females are born with a set number of eggs and can't generate more. Are all animals like this, especially egg-laying hens?
- Nocturnal Dinosaurs, evidence and how common?
- What does the Falcon 9 use to stabilize itself when landing?
- Why is plant DNA so much more complex than animal DNA?
| How do we take pictures of our galaxy if we are in our galaxy? Posted: 11 May 2016 09:19 AM PDT So we have pictures of the Milky way but we are in the Milky Way? Edit:Rip my inbox [link] [comments]  |
| Why do things smell? Can smell be measured? Posted: 12 May 2016 04:46 AM PDT |
| What is the largest possible tsunami size? Posted: 11 May 2016 07:17 PM PDT Like say if the largest known asteroid to hit which was 20km in diameter. What would be the max tsunami size and speed if it hit the right place at the right angle? [link] [comments]  |
| Ask Anything Wednesday - Engineering, Mathematics, Computer Science Posted: 11 May 2016 08:05 AM PDT Welcome to our weekly feature, Ask Anything Wednesday - this week we are focusing on Engineering, Mathematics, Computer Science 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]  |
| Posted: 11 May 2016 07:05 PM PDT Example. And if he couldn't, what if he had flippers? At what point do you think he'd be able to? [link] [comments]  |
| Why do nuclear or atomic bombs create mushroom clouds? Posted: 11 May 2016 06:38 PM PDT |
| Where sensors and analysis measure global temperature? Posted: 12 May 2016 12:03 AM PDT I'm imagining a network of weather stations with air temperature sensors. My detailed question is, whenever I see a large graph of temp data displaying global warming, what are the sources? Are there probes located in the oceans as well as continents? What numerical formula is used to combine the temp readings into a global average? What uncertainty factors are taken into account? Because I feel powerless to do anything about it, I'm one of those people who doesn't care a whole lot about global temperature changes. However, I'm very interested in the evidence of whether or not it is occurring. I want to know the nuts and bolts of the data so I can definitively talk to people about the state of our atmosphere. PS. I categorized this as "Engineering" because the answer I want has to do with sensors and analysis... and none of the other topics seemed to fit. Maybe Earth Science? Meteorology (not listed) would probably fit best. [link] [comments]  |
| Is √-1 the only imaginary number? Posted: 11 May 2016 06:12 PM PDT So in the number theory we learned in middle school, there's natural numbers, whole numbers, real numbers, integers, whole numbers, imaginary numbers, rational numbers, and irrational numbers. With imaginary numbers, we're told that i is a variable and represents √-1. But with number theory, usually there's multiple examples of each kind of number. We're given a Venn diagram something like this with examples in each section. Like e, π, and √2 are examples of irrational numbers. But there's no other kind of imaginary number other than i, and i is always √-1. So what's going on? Is i the only imaginary number just like how π and e are the only transcendental numbers? [link] [comments]  |
| What's on the other side of a belly button? Posted: 11 May 2016 11:46 AM PDT |
| When dropping a phone, can the case breaking off absorb some of the shock? Posted: 11 May 2016 04:57 PM PDT I noticed that every time I drop my phone at all the back of the shell pops off. Inconvenient, but I started wondering if it'd be any worse if I attached the shell better. [link] [comments]  |
| Krebs Cycle: Where does the extra oxygen come from in the oxaloacetase+Acetyl CoA-->Citrate step? Posted: 11 May 2016 07:43 PM PDT I am in a high school biology class, and I was studying the krebs cycle specifically tracing the oxygen through the cycle; in my textbook the diagram shows acetyl coA donating one oxygen to Oxaloacetate, which already has five, and then becoming Citrate, which has 7. Where is this mystery extra oxygen coming from? What am I missing? [link] [comments]  |
| Do animals avoid incest when mating in the wild? Posted: 11 May 2016 09:06 AM PDT Moreover, do animals remember or recognize their siblings and then avoid mating with them in the wild? [link] [comments]  |
| Posted: 11 May 2016 07:30 AM PDT |
| Why is gas under pressure cold? Posted: 11 May 2016 06:57 AM PDT This might be a stupid question and I still haven't figured this out.. So obviously stars are made of gas etc. My extremely basic understanding is that they're really hot because they're under extreme pressure. Why is compressed gas in e.g. cannisters or lighters cold? EDIT: Thank you everyone for your answers, it's actually pretty interesting. [link] [comments]  |
| Do animals seek a variety in their diet? Posted: 11 May 2016 09:36 AM PDT For animals, why are feeding chains organised into food webs, rather than chains, is it because having more than one source of nutrition provides a security in the case of an extinction occurring to a species you're feeding on, or do they simply enjoy having a variety in their diet, much like the way we humans do? [link] [comments]  |
| Why can't I charge my bigger devices using USB? Posted: 11 May 2016 09:10 AM PDT I know that with some devices, when plugged into USB and in use, the battery will be depleted faster than it can be charged - but why are there seemingly no USB -> laptop chargers on the market? Wouldn't it be really useful to be able to charge a laptop with a portable USB power brick? [link] [comments]  |
| Posted: 11 May 2016 11:48 PM PDT |
| Why can you only recharge lithium-ion batteries? Why can't you recharge alkaline batteries? Posted: 11 May 2016 08:25 AM PDT What is preventing the opposite redox reaction from occurring in alkaline batteries in order to restore their chemical potential energy? Any links to articles are also helpful. [link] [comments]  |
| Posted: 11 May 2016 11:14 AM PDT |
| How do antiperspirants work chemically? Posted: 11 May 2016 04:52 AM PDT From doing my own research I have seen only generalized examples of the reactions that make antiperspirants block the eccrine gland, but was looking for a more in-depth answer on the chemical reactions which lead the aluminum salts to reduce, and what reactions occur that cause the aluminum ions to cause the sweat glands to close. [link] [comments]  |
| Posted: 11 May 2016 06:11 AM PDT |
| Nocturnal Dinosaurs, evidence and how common? Posted: 11 May 2016 05:41 PM PDT We have predators today that are nocturnal. We have raptors (more closely related to dinosaurs than reptiles). It seems almost certain there would have been nocturnal dinosaurs. Are there any studies or evidence of there being nocturnal dinosaurs yet or are we left to speculation and assumption? How common would it have been? What in the fossil record indicates whether a creature was nocturnal or not? [link] [comments]  |
| What does the Falcon 9 use to stabilize itself when landing? Posted: 11 May 2016 05:29 AM PDT What we see on camera here seems physically impossible, as it looks like the rocket is only being propelled from the bottom, making it practically impossible to counteract net torque. When it comes down it's like trying to balance a pen its tip: any slight deviation will make it fall over. Does it have some extra jets that I can not see, or does it control the lower propultion jet ridiculously accurately or what? I know there has to be something I am missing. [link] [comments]  |
| Why is plant DNA so much more complex than animal DNA? Posted: 11 May 2016 05:27 AM PDT |
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