Can the current Covid Vaccines be improved or replaced with different vaccines that last longer? |
- Can the current Covid Vaccines be improved or replaced with different vaccines that last longer?
- What is the current accepted risk of Covid-19 infection through fomite transmission?
- Why do slabs of crust submerged into the mantle have lower temperatures than its surroundings?
- When will covid-19 vaccines be available for people under 12 years old?
- How does glow in the dark stuff work?
- Why are planets so bright?
- What is an amplituhedron and how is it useful?
- Why aren't moths of families like Castniidae or Sphingidae considered butterflies?
- How much protection does a single dose of the AstraZeneca vaccine provide against Covid-19 in comparison to getting both doses? Why are two doses even required?
- Do Light Sails work in the Atmosphere?
- Why do planets spin?
- If copper does not react with water, why does water stored in a copper utensil taste like metal?
- If antartica is the most dryest place on earth then why 99% of its land is water?
- What would happen to the brightness ranking of stars in the night sky if we could see all wavelengths? Is Sirius still the brightest star in the night sky?
- How impactful is a volcanic eruption on greenhouse effect gases?
- Does hot or cold water boil faster?
| Can the current Covid Vaccines be improved or replaced with different vaccines that last longer? Posted: 24 Oct 2021 05:14 AM PDT |
| What is the current accepted risk of Covid-19 infection through fomite transmission? Posted: 24 Oct 2021 02:12 AM PDT I apologize in advance because I know this has been asked before, but I would just like some clarification if someone is willing to give it. I have read the [CDC update that came out earlier this year which detailed how the virus is spread primarily through respiratory droplets and not surface transmission, which said the chance was around 1 in 10,000 for every infected touch](https://www.cdc.gov/coronavirus/2019-ncov/more/science-and-research/surface-transmission.html). After doing a little more digging though, I saw that [some of the studies tested outside objects, like traffic light buttons](https://pubs.acs.org/doi/10.1021/acs.estlett.0c00966). I'm wondering then, is the risk really considered that much higher without accounting for environmental factors like wind? The reason I ask is because I work at a grocery store that has basically done away with some of the early Covid safety precautions of last year. I go about my day touching self checkout screens, money, and even produce likely hundreds of times a day. I wash my hands frequently and use hand sanitizer a lot as well, but am I still putting people at risk? [link] [comments]  |
| Why do slabs of crust submerged into the mantle have lower temperatures than its surroundings? Posted: 24 Oct 2021 12:04 AM PDT I was wondering exactly why we have "colder" slabs of rock submerged into the mantle. Creationists state that it is because of the fact that the rock was submerged recently and the time it has been there hasn't been enough to warm it like the rest of the mantle and if it were millions of years it would be warmer now. I remember reading something about the material of the rock being the case and I found something here standing it's the compression of the crust and its materials but I'd like your thoughts [link] [comments]  |
| When will covid-19 vaccines be available for people under 12 years old? Posted: 24 Oct 2021 05:47 AM PDT |
| How does glow in the dark stuff work? Posted: 23 Oct 2021 12:26 PM PDT As we aproach the spookiest part of the year, people wearing glowing skeleton costumes flock the streets and glowing skulls decorate windows throughout suburbs around the world, my question is: How do ''glow in the dark'' substances absorb UV light yet emit visible light?, Why don't they emit more UV light? & Why do they only emit light when in the dark? [link] [comments]  |
| Posted: 23 Oct 2021 11:41 AM PDT According to the inverse square law, light gets dimmer at an exponential rate the further the receiver is from the object, and since they are reflecting light instead of emitting it, I don't understand why something reflecting sunlight from millions of miles away would be so bright, regardless of how large it is. [link] [comments]  |
| What is an amplituhedron and how is it useful? Posted: 23 Oct 2021 11:12 AM PDT |
| Why aren't moths of families like Castniidae or Sphingidae considered butterflies? Posted: 23 Oct 2021 07:14 AM PDT They have clubbed antennae and are diurnal. [link] [comments]  |
| Posted: 23 Oct 2021 11:52 PM PDT |
| Do Light Sails work in the Atmosphere? Posted: 23 Oct 2021 05:27 AM PDT I understand they've been designing light sails for a while now to catch the light from the sun in space, but I can't find a single thing about whether or not they work in an atmosphere. If light Sails don't work in air, do heat sails exist and do they work in the atmosphere? [link] [comments]  |
| Posted: 23 Oct 2021 02:54 AM PDT |
| If copper does not react with water, why does water stored in a copper utensil taste like metal? Posted: 22 Oct 2021 08:49 PM PDT |
| If antartica is the most dryest place on earth then why 99% of its land is water? Posted: 22 Oct 2021 08:06 PM PDT |
| Posted: 22 Oct 2021 04:12 PM PDT |
| How impactful is a volcanic eruption on greenhouse effect gases? Posted: 22 Oct 2021 05:08 PM PDT Cumbre Vieja is spitting lava and smoke for a month now and it got me wondering how impactful it is on our goals on reducing emissions on a global scale. Those events can significantly worsen our global warming situation? [link] [comments]  |
| Does hot or cold water boil faster? Posted: 22 Oct 2021 02:48 PM PDT Not sure what the right type of science is for this question but yeah title explains it. I heard that frozen things are best thawed with cold/room temp water because of blah blah blah science stuff. So does it work the same way with water? [link] [comments]  |
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