How did the Parker Sun Probe manage to broadcast video, telemetry and other data to Earth, without being affected by solar flares or noise from the radiation? |
- How did the Parker Sun Probe manage to broadcast video, telemetry and other data to Earth, without being affected by solar flares or noise from the radiation?
- Do insects have an immune system? If they don’t, how do they protect themselves from viruses and bacteria?
- Why does a third dose of mRNA vaccine decrease the infection risk with omicron if the vaccine was developed for another variant and the first two doses offer limited protection against omicron?
- Why is Omicron considered a variant, rather than a novel coronavirus?
- All all rechargeable battery chemistries inherently degrading, or are there technologies either practical or theoretical that would allow for rechargeable batteries that barring mistreatment keep the same capacity?
- How exactly does a death cap mushroom kill you? What happens, chemically speaking?
- How long does it take a star to turn on? That is, during formation of a planetary system, the mass in the center condenses and eventually nuclear processes are started. How long does it take until the entire mass is “lit“, and the star begins to shine?
- Do all Covid variants have the same incubation period, and does such an incubation period mean less selective pressure toward a less deadly mutation?
- Traction control on AWD drivetrain?
- If you move a krummholz (or tuckamore depending where you are) can it grow into a normal tree or is it stunted or mishapen forever?
- How does a fruit fly, as tiny as it is, detect the direction a smell is coming from, and fly towards it?
- If mass is converted to energy in nuclear reactions, has the mass of the universe been decreasing since the beginning?
- What is causing the J&J vaccine to cause the rare complications that aren't found in Pfizer or Moderna?
- Is hearing volume proportional to ear/eardrum size?
- What does it mean to when they say Omicron is more infectious than delta (or spreads faster)?
| Posted: 17 Dec 2021 06:58 AM PST Weren't solar flares strong enough to disrupt Earth's ground infrastructure? I've seen the overly exaggerated articles, but at that proximity to the sun, wouldn't it mess with Parker's communication too? Been wondering how we got that crystal clear video of the Milky Way, with the planets outlines, and with very minimal artifacting. [link] [comments] |
| Posted: 16 Dec 2021 05:55 PM PST |
| Posted: 17 Dec 2021 06:49 AM PST |
| Why is Omicron considered a variant, rather than a novel coronavirus? Posted: 17 Dec 2021 09:42 AM PST I'm no expert, but from what I read it seems that the omicron variant has different symptoms and little-to-no shared immunity. At what point is it just a new coronavirus like the other coronaviruses in the world as opposed to a variant of Covid-19? [link] [comments] |
| Posted: 17 Dec 2021 09:49 AM PST |
| How exactly does a death cap mushroom kill you? What happens, chemically speaking? Posted: 17 Dec 2021 02:36 AM PST |
| Posted: 16 Dec 2021 01:24 PM PST |
| Posted: 16 Dec 2021 06:11 PM PST It's my understanding that the key issue with covid is the pre-symptomatic incubation period where it can still spread from person to person, which can last about two weeks. Have there been any variants that don't have such an incubation period? And does the pre-symptomatic spread mean that a deadlier and more infectious mutation could outcompete less deadly variants? [link] [comments] |
| Traction control on AWD drivetrain? Posted: 17 Dec 2021 05:51 AM PST I was planning a project to make a raspberry pi controlled traction control system for my all wheel drive rc car and was wondering how awd cars measure their true speed. you need a true speed measurement and a drive wheel speed measurement to detect wheelspin and stop it. on a 2wd car you'd just measure from the non-drive wheel. but on awd if you get wheelspin due to excess throttle application then all 4 wheels are spinning and you can no longer read speed. I wanted to post here to see if anyone was familiar with the solution used in real cars? [link] [comments] |
| Posted: 17 Dec 2021 05:42 AM PST |
| Posted: 17 Dec 2021 01:11 AM PST Does a fruit fly have a "working memory" of what direction it was flying when the olfactory sense of a smell was at its strongest, so that it can keep flying in that direction? In a situation where the air around it isn't moving, and the smell is slowly diffusing into the ambient air, I can't quite conceptualize a way for such a small thing to detect the direction a smell is coming from without some sort of memory, a sense of flying direction, and a process in the brain that associates direction of movement and sense of what direction it was moving when a smell was strongest. Seems like a complex thing for something with a so few neurons and synapse clusters. Does a fruit fly use visual clues to determine/remember flying direction? If so, could it sense and fly towards a vinegar smell in complete darkness? [link] [comments] |
| Posted: 16 Dec 2021 12:27 PM PST Another way to potentially frame the question would be are there instances in the universe where energy is able to form mass? [link] [comments] |
| Posted: 17 Dec 2021 02:00 AM PST |
| Is hearing volume proportional to ear/eardrum size? Posted: 17 Dec 2021 01:48 AM PST I was watching TV and got concerned that the sound waves from the show would be much larger in proportion to my Cat's eardrum, potentially causing a more substantial vibration, leading to louder sound that may be uncomfortable. However, I have found little to no info of this online. Any info would help! Wouldn't want to unknowingly damage my cats hearing on something I'd consider to be a comfortable, normal volume. (Also I have a degree in bio with a zoology focus so feel free to jargon it up :) ) [link] [comments] |
| What does it mean to when they say Omicron is more infectious than delta (or spreads faster)? Posted: 17 Dec 2021 05:05 AM PST |
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