Do COVID-19 vaccines prevent Long COVID? |
- Do COVID-19 vaccines prevent Long COVID?
- What protocol(s) does NASA use to communicate long distances?
- What kind of distances would you need in order to show that on a sphere, three 90 deg turns make a triangle?
- Are there more frequently occuring faces? biology/neuroscience
- is there any real science behind "calming colors"?
- If you had a hypothetical indestructible submarine that was pressurized and could drill thru solid rock and you drilled right to the exact center of the earth, how would gravity act on you at that center?
- How is it determined if a vaccine reduces transmission of the virus?
- What happens to the robots on Mars when they’re done using them? Can we fly them back or do we leave them there?
- Why does the theory of general relativity suggest celestial objects operate on a two dimensional plane?
- Besides primates, are there animals that smile?
- Why do we need to take antibiotics at the exact same hour every day?
- Which galaxies could we send probes to?
- Are there specific physical or chemical properties that make a material a good conductor (or insulator) of both heat and electricity?
| Do COVID-19 vaccines prevent Long COVID? Posted: 21 Feb 2021 06:04 PM PST There have been reports that COVID-19 can for some leave lasting damage to organs (heart, lungs, brain), even among people who only had minor symptoms during the infection. [Q1] Is there any data about prevalence of these problems among those who have been vaccinated? Since some of the vaccines, notably the one developed by Oxford-AstraZeneca, report ok-ish efficacy in preventing symptomatic COVID-19, but very high efficacy in preventing severe COVID-19, I'm also interested in how does this vaccine fare in comparison to the ones that have higher reported efficacy against symptomatic COVID-19. So, to phrase that as a question: [Q2] should we expect to see higher rates of Long COVID among people vaccinated with vaccine by Oxford-AstraZeneca than among those vaccinated with vaccine by Pfizer-Biontech or Moderna? [link] [comments]  |
| What protocol(s) does NASA use to communicate long distances? Posted: 21 Feb 2021 09:32 AM PST I am looking at https://mars.nasa.gov/mars2020/spacecraft/rover/communications/ which talks about how the rover communicated with Earth, which is through the orbiter. I am trying to figure what protocol does the orbiter use? Is it TCP/UDP, or something else? Naively I'd assume TCP since the orbiter would need to resend packets that were lost in space and never made it to Earth. [link] [comments]  |
| Posted: 22 Feb 2021 04:09 AM PST First, yes I know the earth isn't a perfect sphere but it should be close enough for this. So on a "close-enough" sphere, someone should be able to travel some distance, x, make a 90 degree turn and travel x again, make another 90 degree turn, travel x again and return to their point of origin. My question is: what ballpark distance would x need to be in order to demonstrate this? [link] [comments]  |
| Are there more frequently occuring faces? biology/neuroscience Posted: 21 Feb 2021 07:11 PM PST What I mean is, are there more common strings of DNA/genetics to determine facial features than others? Or is it related to how I perceive faces? There have been many times when I see someone and in my head I think they have a "common" face, as in, they share a lot of features and/or a similar composition of those features to a lot of other people I've seen. I don't recognise the person, or think they look average. It's that they just have 'one of those faces' that I see a lot. I'm wondering if this is actually a thing that has been studied on a genetic level, whether certain sequences of dna are more typical than others, or if it may be more or a neurological thing related to how I process faces and interpret/recognise them. If it helps, I also don't see identical twins as being fully identical. I think they look VERY similar but they always look different to me. This could be related if its neurological rather than an actual biological phenomenon. P.S. I don't study science in anyway so apologies if anything I've said sounds dumb haha [link] [comments]  |
| is there any real science behind "calming colors"? Posted: 21 Feb 2021 06:59 PM PST Can painting my walls a pastel blue actually do anything? It sounds fake. Like something a paint brand would come up with to sell more paint. [link] [comments]  |
| Posted: 21 Feb 2021 10:05 PM PST Or would this theoretical submarine break so many physical laws that the outcome is unfathomable? Would you float at that center point? Would you implode into yourself as gravity acts on you from every direction at once? [link] [comments]  |
| How is it determined if a vaccine reduces transmission of the virus? Posted: 21 Feb 2021 05:36 PM PST Reports are saying that data coming out of Israel shows that the Pfizer / Bio-Tech vaccine is slowing the spread but all I'm seeing in the articles is that it is reducing infection by 89%. How does this relate to the transmission rate? If you are vaccinated and not as likely to get infected, does that automatically mean you are also less likely to spread it? [link] [comments]  |
| Posted: 21 Feb 2021 07:45 PM PST |
| Posted: 21 Feb 2021 09:08 PM PST Models, which represent the mass of objects, show that as mass increases, the depression in this theoretical two-dimensional plane increases. I wonder, why does this represention of mass rely on the idea of a this plane? Obviously, the universe is three dimensional, so I can not comprehend the idea of massive objects creating a depression in a two dimensional plane, whch contributes to certain properties of gravity. Unless, this is looked at on a smaller scale, such as a solar system, in which most bodies could be coplanar. For the record, I am not familiar with spacetime curvature, or in depth analyses of Einstein's theories of relativity. TLDR: how do two dimensional representations of three dimensional space time curvature work? How do you break down what exactly the model is showing? [link] [comments]  |
| Besides primates, are there animals that smile? Posted: 21 Feb 2021 08:06 AM PST Sometimes people think dogs smile when they are panting but do animals actually express happiness with expressions? [link] [comments]  |
| Why do we need to take antibiotics at the exact same hour every day? Posted: 21 Feb 2021 05:44 PM PST |
| Which galaxies could we send probes to? Posted: 21 Feb 2021 11:54 AM PST Trying to research this. Usually journalists point out that spatial expansion will make other galaxies unreachable through normal transit (disregarding wormholes or similar possibilities). But that's not true because at least one galaxy, Andromedia, is going to merge with our Milky Way galaxy. Obviously at least one galaxy is accessible. Is Andromeda the only one we could send a probe to? How does expansion figure into this? It would be a one-way trip, but is a window of opportunity to send probes or even spread life to other galaxies closing? [link] [comments]  |
| Posted: 20 Feb 2021 10:18 PM PST |
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