AskScience Panel of Scientists XX |
- AskScience Panel of Scientists XX
- Why does our Sun have so many planets compared to other stars/solar systems?
- Does the size of your stomach actually shrink when you decrease your daily portion size?
- Have there been Mountains Taller than Mt. Everest on Earth in the Past?
- Is the phase velocity of a signal in a transmission line dependent on the frame of reference?
- What impact has the US interstate road system had on wildlife?
- How does your body know something you ate is bad and needs to throw it up (or send it on an express delivery out the back end)?
- Are there "anti" particles of the other forces?
- What are the "hidden variables" supposed to be in quantum pilot wave theory?
- What does the term "cold blooded" in cold blooded actually mean? Could someone elaborate please?
- Do other planets have weather?
- Does a negative focal length cancel out an equal lens of positive focal length?
- What would the stars at the South Pole look like?
- Is there any minimum value of hfe for Wein Bridge oscillator? (like 44.54 for RC Phase shift oscillator) If not, why?
- Why or how does some marine mammals choose one specific island to live in? Even when there are several (apparently) identical ones around.
- Does lateral gene transfer have an effect on the human evolution?
- Why space/weather balloons are white instead of black ?
| AskScience Panel of Scientists XX Posted: 02 Feb 2019 02:24 PM PST Please read this entire post carefully and format your application appropriately. This post is for new panelist recruitment! The previous one is here. The panel is an informal group of redditors who are either professional scientists or those in training to become so. All panelists have at least a graduate-level familiarity within their declared field of expertise and answer questions from related areas of study. A panelist's expertise is summarized in a color-coded AskScience flair. Membership in the panel comes with access to a panelist subreddit. It is a place for panelists to interact with each other, voice concerns to the moderators, and where the moderators make announcements to the whole panel. It's a good place to network with people who share your interests! You are eligible to join the panel if you:
Instructions for formatting your panelist application:
Ideally, these comments should clearly indicate your fluency in the fundamentals of your discipline as well as your expertise. We favor comments that contain citations so we can assess its correctness without specific domain knowledge. Here's an example application: Please do not give us personally identifiable information and please follow the template. We're not going to do real-life background checks - we're just asking for reddit's best behavior. However, several moderators are tasked with monitoring panelist activity, and your credentials will be checked against the academic content of your posts on a continuing basis. You can submit your application by replying to this post. [link] [comments]  |
| Why does our Sun have so many planets compared to other stars/solar systems? Posted: 03 Feb 2019 04:55 AM PST Our star has eight planets and numerous dwarf planets. On Wikipedia, I read that most stars only have 0 or 1 exoplanets. Is the difference: a) our Sun is simply a statistical anomaly b) other stars likely have similar numbers of exoplanets, but we can only detect large ones c) related to something unique about our Sun? Thanks! [link] [comments]  |
| Does the size of your stomach actually shrink when you decrease your daily portion size? Posted: 02 Feb 2019 04:36 PM PST I always hear people telling me their stomach shrank and can no longer take in the amount of food that they once used to. Does your stomach really shrink/expand in size depending on how much you eat on a daily basis? [link] [comments]  |
| Have there been Mountains Taller than Mt. Everest on Earth in the Past? Posted: 02 Feb 2019 11:54 AM PST So, reading a post on this sub detailing the Wilson cycle and was wondering if there has been any evidence of mountains that in the past were either taller than 30,000ft or significantly taller? I understand it might be nearly impossible to determine this but was wondering if there has been any research into it. Thanks! [link] [comments]  |
| Is the phase velocity of a signal in a transmission line dependent on the frame of reference? Posted: 03 Feb 2019 06:13 AM PST Say the dielectric constant is very high so that the phase velocity is much slower than the speed of light and that the transmission line is on a train moving at 100km per hour. If the signal is propagating in the same direction as the train, would an observer on the ground see the signal propagate at a higher velocity than someone on the train? Or would they both see the signal propagating at the same speed? [link] [comments]  |
| What impact has the US interstate road system had on wildlife? Posted: 02 Feb 2019 03:17 PM PST It seems like the US is partitioned into a grid where land animals can't cross from one square to another without becoming roadkill. Have different biomes emerged in the squares? [link] [comments]  |
| Posted: 02 Feb 2019 02:07 PM PST |
| Are there "anti" particles of the other forces? Posted: 02 Feb 2019 10:23 PM PST Antimatter is a particle that is identical but has opposite electromagnetic charge. Is their any equivalent that has opposite weak force or strong force? [link] [comments]  |
| What are the "hidden variables" supposed to be in quantum pilot wave theory? Posted: 02 Feb 2019 10:53 AM PST So when I (physics layman) started reading about quantum mechanics many years ago I got the impression that hidden variables was silly by adding needless complications and etc and was all but discarded (and eventually I settled on the "shut up and calculate" interpretation of QM). Recently, though, I found out about De Broglie–Bohm (pilot wave) theory, and I find it rather appealing. But what are these hidden variable(s)? I know they are basically the "waves" that guide "particles," but I didn't find an interpretation for that. Would it make sense to think the hidden variables/guiding waves are simply sort of the universal state of each quantum field at any given moment? Or is that interpretation silly until when and if we marry pilot waves with at least special relativity? Thanks! [link] [comments]  |
| What does the term "cold blooded" in cold blooded actually mean? Could someone elaborate please? Posted: 02 Feb 2019 09:54 AM PST Do they need to warm up their blood? How do they survive in hot or cold environments? What fundamental things do they differ in from warm blooded animals? [link] [comments]  |
| Do other planets have weather? Posted: 02 Feb 2019 03:07 PM PST |
| Does a negative focal length cancel out an equal lens of positive focal length? Posted: 02 Feb 2019 09:04 PM PST If you have a convex lens of 20mm focal length would it be cancelled out by placing a concave lens of -20mm focal length in front of it? [link] [comments]  |
| What would the stars at the South Pole look like? Posted: 02 Feb 2019 01:25 PM PST If you were to stand exactly on the South Pole at night on a clear night, would the stars be spinning around really fast? If not, why? [link] [comments]  |
| Posted: 02 Feb 2019 08:32 PM PST |
| Posted: 02 Feb 2019 09:54 AM PST We're in Ushuaia, argentinian patagonia. On a boat trip we've seen some lobos marinos (Brown fur seal) on a small rocky island. And this is an archipelago, there are several other similar islands around. We've been wondering since then: why these animals choose one specific island and not another? There is an ecological or behavioral explanation? The same for the birds, huge flocks in one island and none on other "identical" ones. Thank you Muito obrigado :) [link] [comments]  |
| Does lateral gene transfer have an effect on the human evolution? Posted: 02 Feb 2019 09:39 AM PST I've just started a biology class and we've been talking about lateral gene transfer and how the tree of life could actually be a web of life. Could we be sharing genetic information between each other horizontally? It got me thinking that since our DNA changes over the course of our lives, maybe HGT has something to do with that. I did a little bit of research on HGT (Horizontal Gene Transfer) in multicellular organisms and HGT between prokaryotes and eukaryotes, and what I've gathered from it is that there is some evidence of HGT between prokaryotes and eukaryotes, but eukaryote to eukaryote isn't a thing. But even HGT between prokaryotes and eukaryotes seems like it could have a big impact on the evolution of... well, everything, but more interestingly, humans. Here's a link to one of the articles I was reading. [link] [comments]  |
| Why space/weather balloons are white instead of black ? Posted: 02 Feb 2019 12:46 PM PST Would'nt be beneficial to have your gas heated by radiation with a black balloon ? [link] [comments]  |
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