Ask Anything Wednesday - Physics, Astronomy, Earth and Planetary Science |
- Ask Anything Wednesday - Physics, Astronomy, Earth and Planetary Science
- How did the first atoms come into existence and how do we know that?
- Is the demagnetization process of an alloy (aermet100 in my case) dependent on the time at which the part is held at the Curie temperature, or the time it takes to build Up to the Curie temperature? Or is it just an instantaneous event?
- How fast is fluid pressure?
- Do mice and birds have different colour vision?
- Does kneading wheat “increase” the actual amount of protein(gluten) in the dough or does it just form chains?
- What determines if a super cooled gas/liquid becomes a Bose-Einstein condensate or a solid?
- Do pupils dilate for different single colour lights differently?
- How do birds that spend long periods of time cruising at high altitude, especially bare-headed vultures and the like, protect their skin and vision from UV damage?
- How specific does a Lagrange point have to be to stay stable?
- Why do some flowers wilt faster than others?
| Ask Anything Wednesday - Physics, Astronomy, Earth and Planetary Science Posted: 26 May 2021 07:00 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]  |
| How did the first atoms come into existence and how do we know that? Posted: 26 May 2021 03:54 AM PDT |
| Posted: 25 May 2021 08:18 AM PDT |
| Posted: 25 May 2021 08:07 AM PDT Knowing that fluids are considered to be incompressible, I had the thought of how fast does a fluid transmit pressure. Example: If I have a 1km long .5in internal diameter tube filled with water, and I apply pressure to one end of the tube, how long would it take for the pressure to reach the other side of the tube? Google only gives me information about Bernoulli's Principle, but that doesn't help. [link] [comments]  |
| Do mice and birds have different colour vision? Posted: 25 May 2021 12:09 AM PDT We recently took in a female ginger Manx cat (quite unusual). She's a great mouser but doesn't catch many birds, which is ideal. I've seen on Reddit a simulation of how tiger's prey are typically colourblind to its stripes, allowing the orange to blend in with green grass and leaves. Is it possible that birds can easily see our ginger cat but rodents cannot due to differences in their colour vision? [link] [comments]  |
| Posted: 25 May 2021 04:07 AM PDT |
| What determines if a super cooled gas/liquid becomes a Bose-Einstein condensate or a solid? Posted: 25 May 2021 03:26 AM PDT It makes sense to me that as a gas cools it becomes liquid, then further it becomes solid, how does BEC fit in here? [link] [comments]  |
| Do pupils dilate for different single colour lights differently? Posted: 24 May 2021 10:52 PM PDT For example, do pupils dilate more due to blue light than due to red light? I tried to do a Google search for this. Even searched scholar papers, but to no avail. There was one paper that looked promising, based on its title, but I couldn't understand it. [link] [comments]  |
| Posted: 24 May 2021 03:03 PM PDT |
| How specific does a Lagrange point have to be to stay stable? Posted: 24 May 2021 06:24 PM PDT Is this a space defined by tens of kilometers, or hundreds, or centimeters? Is there an exact point, from which any deviation would cause inevitable (but perhaps very slow) orbit deterioration? [link] [comments]  |
| Why do some flowers wilt faster than others? Posted: 24 May 2021 05:40 PM PDT Kinda random but got mom a bouquet of different flowers and noticed all the roses wilted several days before the daisies. What structural differences in these flowers makes one faster to wilt? [link] [comments]  |
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