Does the human stomach digest food as a batch process, or in a continuous feed to the rest of the digestive tract? |
- Does the human stomach digest food as a batch process, or in a continuous feed to the rest of the digestive tract?
- When we pee, does our bladder get rid of all of the urine, or does it have to keep some?
- Which factors determine the refractive index of a material and is there a theoretical limit to how big it can be?
- Are circadian rhythms universal or do they vary person to person or across cultures?
- Why does a solid-state device (eg. smartphone) still take time to boot? Without mechanical drives, what processes still take time to start?
- Are there any instances in nature of parasites leeching off of other parasites, essentially creating a chain of parasitism? If so, where?
- How much does ocean water temperature change at the shoreline?
- Do movement of electrons in an atom consume energy?
- Ask Anything Wednesday - Physics, Astronomy, Earth and Planetary Science
- Why are the days of Jupiter, Saturn and Uranus so fast compared to the days of Mercury and Venus?
- How, exactly, do we fall asleep?
- Could you, theoretically, uncook something?
- would we find more fossils near the edges of the tectonic plates?
- How is it that we can "hear" distance, as in, I know that a sound is coming from far away?
- Why are double and zero quantum transitions not allowed in quantum mechanics?
- The Uncertainty Principle is About a Fundamental Inability to Know Position and Momentum, Not an Instrumental/Technology Limitation. But aren't those indistinguishable empirically?
- I have a series of one layer TIFF files at hand. The same file will be dramatically larger (800 Mb vs. 300 Mb) if the layer is left as a layer, rather than the file flattened. What is happening?
- What is the farthest that the human eye can possibly see?
- Is there any significant amount of rock/debris between solar systems?
- How strange is it that the Higgs field has non-zero resting potential?
| Posted: 25 Jul 2017 07:35 PM PDT | ||||||||||||||
| When we pee, does our bladder get rid of all of the urine, or does it have to keep some? Posted: 26 Jul 2017 06:44 AM PDT | ||||||||||||||
| Posted: 26 Jul 2017 06:31 AM PDT | ||||||||||||||
| Are circadian rhythms universal or do they vary person to person or across cultures? Posted: 25 Jul 2017 06:23 PM PDT | ||||||||||||||
| Posted: 26 Jul 2017 05:02 AM PDT | ||||||||||||||
| Posted: 26 Jul 2017 12:59 AM PDT | ||||||||||||||
| How much does ocean water temperature change at the shoreline? Posted: 25 Jul 2017 08:13 PM PDT Can the water temperature at the shoreline/surf of the ocean change drastically from day to day? If so what causes these changes? Assuming that air temperature is similar both days. [link] [comments]  | ||||||||||||||
| Do movement of electrons in an atom consume energy? Posted: 25 Jul 2017 04:13 PM PDT So, although an electron's location can only be expressed in probability, can we still say that it still moves from one place to another? I understand that not by following an orbit or something, but still it "moves" or "changes place" right? If so, would it be right to say that an electron (this moving particle) does not consume energy to move? Please clear my confusions :) Thank you in advance! [link] [comments]  | ||||||||||||||
| Ask Anything Wednesday - Physics, Astronomy, Earth and Planetary Science Posted: 26 Jul 2017 08:07 AM PDT Welcome to our weekly feature, Ask Anything Wednesday - this week we are focusing on Physics, Astronomy, Earth and Planetary 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]  | ||||||||||||||
| Why are the days of Jupiter, Saturn and Uranus so fast compared to the days of Mercury and Venus? Posted: 25 Jul 2017 06:32 PM PDT There is absolutely no apparent pattern, no symmetry in those numbers, and there is no logic as to why, at least in my limited capabilities of course. It seems the bigger the planet, the faster it rotates, the smaller the planet the longer it rotates, except for Earth and Mars? Obviously I'm not an astronomer nor a mathematician.
[link] [comments]  | ||||||||||||||
| How, exactly, do we fall asleep? Posted: 26 Jul 2017 07:07 AM PDT What is the process going on in our brain? How do we get to that "off" switch? [link] [comments]  | ||||||||||||||
| Could you, theoretically, uncook something? Posted: 25 Jul 2017 06:02 PM PDT | ||||||||||||||
| would we find more fossils near the edges of the tectonic plates? Posted: 26 Jul 2017 06:23 AM PDT and would entire records be lost in theory with enough movement/formation of the plates? [link] [comments]  | ||||||||||||||
| How is it that we can "hear" distance, as in, I know that a sound is coming from far away? Posted: 26 Jul 2017 05:30 AM PDT I thought of this while viewing a helicopter about a quarter mile away. Is it because I know how a helicopter sounds up close? Or do certain frequencies get cut out at larger distances, making a unique sound? [link] [comments]  | ||||||||||||||
| Why are double and zero quantum transitions not allowed in quantum mechanics? Posted: 26 Jul 2017 05:19 AM PDT I don't really know a lot about quantum mechanics but I found this as a side note in some lecture slides on NMR spectroscopy and got curious, since there was no explanation. [link] [comments]  | ||||||||||||||
| Posted: 25 Jul 2017 03:58 PM PDT Basically what the title said. I understand it's a common misconception that the Uncertainty Principle is about instrumentation rather than a fundamental aspect of the universe, but isn't it empirically impossible to verify that? Meaning that a universe that has an Uncertainty Principle would be indistinguishable from a universe that has no UP, but instrumentation/measurement interference keeps you from measuring both to an arbitrary level of accuracy. Any experiment would give identical results for both possibilities, right? How is this resolved? Thank you in advance! [link] [comments]  | ||||||||||||||
| Posted: 25 Jul 2017 07:49 PM PDT | ||||||||||||||
| What is the farthest that the human eye can possibly see? Posted: 26 Jul 2017 03:14 AM PDT | ||||||||||||||
| Is there any significant amount of rock/debris between solar systems? Posted: 25 Jul 2017 01:22 PM PDT In Passengers they're on an interstellar journey and would presumably chart a course avoiding stars/planets as well as they could. I'd think that'd be easy since space is so damn big. But this major plot point is them running into an asteroid field in the middle of nowhere and damaging the ship's computer. Is there really any chance of anything besides dust floating around in the space between stars? Or is that entirely fictional [link] [comments]  | ||||||||||||||
| How strange is it that the Higgs field has non-zero resting potential? Posted: 26 Jul 2017 01:03 AM PDT I'm asking about the state of modern understanding of the Higgs field. Are there solid, convincing, well-accepted explanations for why and how the Higgs has non-zero resting mass? Or is it more like a hint at some (or several) possible underlying mechanisms that aren't well-accepted? Or is it a total mystery and an active area of research? [link] [comments]  |
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