AskScience Panel of Scientists XXI |
- AskScience Panel of Scientists XXI
- When a star goes super nova, is the gold fused inside the star's core, or does the shockwave fuse matter in it's outer orbit? Neither/both?
- How small can a nuclear reactor core assembly be?
- Why is the Earth's magnetic field weakening?
- Are humans born with a sense of aesthetic where we prefer certain color combinations/patterns or is it a byproduct of the environment we are raised in?
- [optics] How small can focus spot be?
- Is it possible for heavy rains and floods to affect the sublayers of the Earth's crust enough to cause earthquakes?
- What biological processes are involved in Sun Poisoning?
- To achieve the Theory of Everything we need to unify all the fundamental forces, one of which being Gravity. But why is gravity even considered as a force if it is experienced due to the curvature of spacetime. Isn't it a fictitious force?
- "95 degrees F but feels like 104" Saw this on my weather app. Isn’t a temperature just a temperature? How can some thing measure at one degree but it feels like another. And in turn how is that determined?
- Why was Iceland so disproportionately affected by the 2009 (H1N1) flu pandemic?
- Given fixed humidy, temperature, and pressure, is sweat more volatile than just water in air?
- Why can't a geosynchronous orbit be achieved at a lower altitude ?
- How does alcohol effect the bio-availability and absorption of certain plant compounds in the human body?
- Does animal eyesight fluctuate depending on the individual even in the same species, like people’s do?
- What happens to a synesthete that loses one of the two senses involved in their synesthesia?
- How does a liver regenerate? Why aren't other organs (apart from our skin) able to regenerate?
- How can exoplanets in systems whose planes do not allow transits visible to earth be detected?
- How was the Earth's 23.4 degree axial tilt measured so accurately?
- How does the brain react to pain while unconscious?
| AskScience Panel of Scientists XXI Posted: 20 Jul 2019 06:28 AM PDT 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]  |
| Posted: 19 Jul 2019 05:47 PM PDT |
| How small can a nuclear reactor core assembly be? Posted: 19 Jul 2019 04:10 PM PDT After bingeing HBO's Chernobyl, I then found myself delving into all kinds of nuclear reactor-related videos. I ended up fixating on reactor startup and shutdown vids that showed how the Cherenkov radiation varied with different power levels. After watching some school's small research reactor glowing away, a thought struck me: How small could a core comprised of standard fuel pellets be, and still undergo self-sustaining fission? [link] [comments]  |
| Why is the Earth's magnetic field weakening? Posted: 20 Jul 2019 12:22 AM PDT |
| Posted: 19 Jul 2019 02:36 PM PDT |
| [optics] How small can focus spot be? Posted: 20 Jul 2019 03:20 AM PDT There is a great post on XKCD about how you cannot focus light to a hotter spot than the source. I kinda understand that, but then again - not quite. Specifically, what limts the size of a focal spot? The smaller the focus spot size, the bigger density of photons and, thus, hotter it is. I cant seem to find information about this. Maybe im just googling wrong. [link] [comments]  |
| Posted: 20 Jul 2019 02:08 AM PDT There have been record floods in my state this year with a highly flood affected area a few hundred kilometres from where I am at right now. There have been 3 earthquakes in the past two days, the latest at 4:50am this morning. Each of small magnitudes around 3.5 to 5 on the Richter scale. How much is the possibility that a bigger one is coming? Should I prepare my disaster kit? Edit: I'm sorry if these kinds of posts are not allowed. Mods, please remove it if needed. [link] [comments]  |
| What biological processes are involved in Sun Poisoning? Posted: 19 Jul 2019 03:55 PM PDT Basically how does it happen? What causes it? What is actually happening physiologically? Id assume since it mostly happens to kids it is some sort of vitamin D "allergy"? But then again it doesn't make much sense either. [link] [comments]  |
| Posted: 19 Jul 2019 10:22 AM PDT |
| Posted: 19 Jul 2019 03:17 PM PDT |
| Why was Iceland so disproportionately affected by the 2009 (H1N1) flu pandemic? Posted: 19 Jul 2019 04:35 PM PDT According to Wikipedia, Iceland had the highest per capita infection rate, and the numbers from this research paper on flu surveillance in Iceland seem to corroborate the high infection rate. Are there any reasons/theories as to why Iceland was so disproportionately affected? [link] [comments]  |
| Given fixed humidy, temperature, and pressure, is sweat more volatile than just water in air? Posted: 19 Jul 2019 04:08 PM PDT |
| Why can't a geosynchronous orbit be achieved at a lower altitude ? Posted: 19 Jul 2019 03:40 PM PDT A geostationary orbit is located at 35,786 km above Earth's equator and following the direction of Earth's rotation. Satellites need to travel at a speed of 3.07 km/s or 11,052 Km/h to match Earth rotation speed and so be at the same position wrt to Earth's surface. But why it is not possible for satellites to also be geostationary at a lower orbit given they travel at a lower linear speed (same angular velocity) ? [link] [comments]  |
| Posted: 19 Jul 2019 03:17 PM PDT for example, does the rate the body absorbs caffeine change if coffee is mixed with a spirit? EDIT : example 2 : ginseng in a alcohol-based distillate. [link] [comments]  |
| Posted: 19 Jul 2019 02:36 PM PDT |
| What happens to a synesthete that loses one of the two senses involved in their synesthesia? Posted: 19 Jul 2019 01:10 PM PDT In a very abstract sense, if their body has lost the ability to experience the sense triggered by their synesthesia, can they still experience it if the input sense is still there? [link] [comments]  |
| How does a liver regenerate? Why aren't other organs (apart from our skin) able to regenerate? Posted: 19 Jul 2019 12:40 PM PDT |
| How can exoplanets in systems whose planes do not allow transits visible to earth be detected? Posted: 19 Jul 2019 11:32 AM PDT Wikipedia lists astrometry and thermal imaging as being the two methods that don't require earth to be within the system's plane, but they are very limited in comparison to transits. Are there any promising methods that may eventually allow reliable detection of exoplanets in systems whose planes don't align nicely with earth? I imagine only a very small percentage of systems' planes allow allow transits observable from our system. If all systems were aligned such that their exoplanets were observable by transit, what's an estimate of the increase in detectable planets that would occur? That is, what percentage of exoplanets that would otherwise be detectable are expected to exist but are undetectable because of the angles of their planes? [link] [comments]  |
| How was the Earth's 23.4 degree axial tilt measured so accurately? Posted: 19 Jul 2019 08:41 AM PDT |
| How does the brain react to pain while unconscious? Posted: 19 Jul 2019 10:28 AM PDT Do we have fMRI scans of patients under general anesthesia or otherwise unconscious who would be feeling pain? At which point in the nervous system is the pain blocked? [link] [comments]  |
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