If you were in a completely dark room, and you somehow could see in the dark. Would you be able to see your reflection in a mirror? |
- If you were in a completely dark room, and you somehow could see in the dark. Would you be able to see your reflection in a mirror?
- How fast would the earth have to spin in order for things to fly off into space?
- Does convection operate independent of scale?
- If you had a gas impermeable tube from the earth's surface to space (beyond the atmosphere) would it create a perpetual vacuum tube?
- Ask Anything Wednesday - Biology, Chemistry, Neuroscience, Medicine, Psychology
- How come Methuselah star is older than the universe?
- Why in non-newtonian fluids, viscosity (which is a propriety of the fluid) depends on velocity ?
- What does transcription factors have to do with T cell exhaustion?
| Posted: 25 Dec 2019 05:13 AM PST I know this sounds dumb, but this was just a shower thought i got. [link] [comments]  |
| How fast would the earth have to spin in order for things to fly off into space? Posted: 24 Dec 2019 05:44 AM PST |
| Does convection operate independent of scale? Posted: 24 Dec 2019 11:34 AM PST For example, is there convection within the cytoplasm of cells? Does it work the same way on the scale of oceans? At what point do the intermolecular forced and actual size of molecules cause the system to break down? [link] [comments]  |
| Posted: 25 Dec 2019 06:46 AM PST Ok so my Dad and I are discussing this over Christmas breakfast. The idea is this: a gas impermeable tube from the surface to "space" aka far enough away from the surface that there is a large density gradient between both ends. My thought is that there is a nearly infinite density gradient between both ends and therefore air will flow from the surface towards space until the gradient reaches equilibrium (aka when there's the same amount of air on the surface as there is at the exit point. My Dad thinks that there will be some sort of equilibrium that occurs similar to the stratification of the atmosphere within the tube and therefore the flow will stop far before we deplete a significant portion of atmosphere. Any one have a decisive answer? [link] [comments]  |
| Ask Anything Wednesday - Biology, Chemistry, Neuroscience, Medicine, Psychology Posted: 25 Dec 2019 07:08 AM PST 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 come Methuselah star is older than the universe? Posted: 25 Dec 2019 06:05 AM PST This star is calculated to be 200,000,000 years older than the universe.Has people did research with this star carefully.The age of the universe was accurately measured.So how come Methuselah is older than the universe. [link] [comments]  |
| Why in non-newtonian fluids, viscosity (which is a propriety of the fluid) depends on velocity ? Posted: 24 Dec 2019 09:23 AM PST I see this type of fluids being not intuitive (welcome to science!) and I can't get my head around this fact, since viscosity is a propriety of a fluid (which depends on temperature,..). Why does this happen to certain fluids ? Why should some fluids viscosity depend on velocity and others do not ? [link] [comments]  |
| What does transcription factors have to do with T cell exhaustion? Posted: 24 Dec 2019 12:29 PM PST |
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