How does Aloe Vera help with sunburns? |
- How does Aloe Vera help with sunburns?
- AskScience AMA Series: We are Andrea Copping, Biological Oceanographer, Genevra Harker-Klimes, Physical Oceanographer, and Meg Pinza, Coastal Scientist. We study the environmental effects of marine energy at Pacific Northwest National Laboratory. Ask us anything!
- Where does the flu virus go when it's not flu season? What is the reservoir it uses to come back from each year?
- What degree of refurbishment is required for Space X's boosters between launches? How many times can they be used before retirement?
- Is an aerodynamic object inherently hydrodynamic and vice versa?
- How many tumours/would-be-cancers does the average person suppress/kill in their lifetime?
- What if you measure only one slit in the double slit experiment?
- humans can over eat and beconme obese, is it possible for flight capable birds to over eat and become unable to fly?
- What happens if we take too much C02 out of the atmosphere?
- How would photons hitting each other/ light waves hitting each other behave?
- Do nightmares affect your body differently than regular dreams? Like, do they add stress, give you less rest, etc?
- Does glass flow or not at room temperature over time?
- What is the mechanism for energy released by a black hole merger?
- The 2nd Law of Thermodynamics dictates that a black body is a perfect absorber AND emitter of light. How does a black body emit light?
- Why do snails have swirls on their shells?
- So you know how some animals can “smell fear”? Well, I was wondering, do humans actually emit a scent when they’re afraid, that other animals can smell?
- How long would a building need to be for it to account for the curvature of the Earth and how do architects build structures like that?
- So in nukes, the "atom is split", but why is it that when they are split specifically gamma rays and neutrons are released?
- Does polyurethane coatings (enamel or varnish) emit harmful substances (formaldehyde) even after polymerization? or do they become chemically neutral?
- When is Dead really Dead? (What is the recent Yale study telling us?)
- Is it possible to dehydrate and then rehydrate human cells, so that they are alive after rehydration?
- If rivers erode the landmass, eventually carrying sediments into the sea, how don't rivers erode away the entire mass of continents over millions of years?
| How does Aloe Vera help with sunburns? Posted: 21 Apr 2019 03:22 PM PDT |
| Posted: 22 Apr 2019 06:17 AM PDT Hi Reddit!! Marine energy is a huge, largely untapped energy resource. So huge that more than 10% of Pacific states' electricity demand could be satisfied by developing a fraction of the wave energy available off the West coast. Imagine a future where we could harness ALL of our oceans' energy, including energy from moving water, like waves, currents, tides, and offshore winds. Renewable energy like this is not only immense, but its predictable nature allows power grid managers to offset more established, yet variable renewable resources such as wind and solar power. And on a regional scale, widespread marine energy has the potential to provide localized power sources in isolated coastal regions and areas susceptible to extreme events, such as hurricanes, flooding, and storm surge. But are there environmental costs to widespread installation of marine energy devices in our oceans? How does marine life react to these devices? And is this approach safe? At the U.S. Department of Energy's (DOE) Pacific Northwest National Laboratory, we are tackling these exact research questions here. Ask us Anything! We're looking forward to this! We'll be on at 9 AM PT (12 ET, 16 UT). Ask us anything! [link] [comments]  |
| Posted: 21 Apr 2019 03:22 PM PDT |
| Posted: 21 Apr 2019 10:06 PM PDT I know little on the topic but one would assume that the abuse incurred from the rocket launch, atmosphere re-entry and landing would have at least some level of impact on the boosters. Rockets seem to blow up pretty regularly even when everything is crafted for absolute precision, it seems like reusing boosters is throwing an unknown variable into the equation resulting in a greatly increased probability for failure [link] [comments]  |
| Is an aerodynamic object inherently hydrodynamic and vice versa? Posted: 21 Apr 2019 06:34 PM PDT |
| How many tumours/would-be-cancers does the average person suppress/kill in their lifetime? Posted: 22 Apr 2019 07:53 AM PDT Not every non-benign oncogenic cell survives to become a cancer, so does anyone know how many oncogenic cells/tumours the average body detects and destroys successfully, in an average lifetime? [link] [comments]  |
| What if you measure only one slit in the double slit experiment? Posted: 21 Apr 2019 10:06 PM PDT I was watching a Sixty Symbols video about the wave function and they mentioned that, in the famous double-slit experiment, measuring the slits to actually see which one the particle goes through stops all the quantum-mechanical effects, and you're left with no interference pattern. My question is this: say you measure only one of the two slits. Then, when the particles is sent out, it goes through the slit you are not measuring. Since you know it didn't go through the slit you are measuring, that also should exhibit the observer effect, right? But this is insane, because your measurement never actually interacts with or observes the particle. It just observes somewhere that it isn't. So I guess I'm asking if this is actually what would happen, or if it would still exhibit an interference pattern somehow. And importantly, why, because this whole thing seems crazy to me. [link] [comments]  |
| Posted: 21 Apr 2019 01:24 PM PDT |
| What happens if we take too much C02 out of the atmosphere? Posted: 22 Apr 2019 07:59 AM PDT If we were to try and reverse climate change by planting 1.2 trillion trees ( https://e360.yale.edu/digest/planting-1-2-trillion-trees-could-cancel-out-a-decade-of-co2-emissions-scientists-find ), is there any risk of over correction? Is there any risk with putting too much oxygen in the atmosphere or taking too much C02 out? [link] [comments]  |
| How would photons hitting each other/ light waves hitting each other behave? Posted: 21 Apr 2019 11:04 PM PDT Say you shined a laser onto a plane mirror in a vacuum at a perfect 90º angle and therefore, the ray would reflect back perfectly onto the source right? but since the photons act as particles as well wouldn't the like hit each other or something? maybe slow each other down? maybe change the amplitude or something? [link] [comments]  |
| Posted: 22 Apr 2019 06:35 AM PDT I get anxiety nightmares pretty often, and never really thought much of it... until I told a friend about them, and they said it must be hard on my body. I wondered if that was true. I know that stress/anxiety hurts your body during waking life, so does it do the same (or something similar) while you're sleeping? Thanks! [link] [comments]  |
| Does glass flow or not at room temperature over time? Posted: 21 Apr 2019 12:58 PM PDT So I am a Polymer Science student and I have heard and read contradictory statements regarding this. Being a pseudofluid (amorphous) material glass flows with gravity over time indicative by window glasses thicker at the bottom..But I have also read that that's how glass windows are made and that the former is a myth. [link] [comments]  |
| What is the mechanism for energy released by a black hole merger? Posted: 22 Apr 2019 06:37 AM PDT I've heard that when two black holes merge there is an incredible amount of energy released. And that this energy which is released is often equivalent to the mass energy of a few solar masses at least, in the case of the merger first detected by LIGO. As I understand, nothing can escape from within the Event Horizon of a black hole but somehow something must get out because there is energy released when two black holes merge together. My question is, how can energy be released by to merging black holes? Is this some form of Hawking radiation? What is the mechanism that allows for this release of energy? Bonus Q: how is it that merging black holes which are orbiting each other can have their orbits decay? I would expect, since the mass inside is a singularity, that tidal forces, which are usually the mechanism for bleeding off orbital energy, wouldn't really make sense between two point masses. [link] [comments]  |
| Posted: 21 Apr 2019 03:23 PM PDT This also means the sun is a perfect absorber of light. How does the sun absorb light? [link] [comments]  |
| Why do snails have swirls on their shells? Posted: 21 Apr 2019 01:45 PM PDT |
| Posted: 21 Apr 2019 06:02 AM PDT |
| Posted: 21 Apr 2019 10:50 AM PDT |
| Posted: 21 Apr 2019 04:04 PM PDT I dont know much about chemistry as school doesnt help much but can someone explain this to me? [link] [comments]  |
| Posted: 21 Apr 2019 07:58 AM PDT |
| When is Dead really Dead? (What is the recent Yale study telling us?) Posted: 21 Apr 2019 04:55 AM PDT |
| Posted: 21 Apr 2019 07:52 AM PDT If so I think it may help with long distance space exploration, as one problem of cryofreezing humans is that the cells explode, due to the expansion of water in the cells, and if the person is dehydrated then they might be able to freeze then be rehydrated later. Might be impossible just thought I'd ask, cause it seemed interesting. [link] [comments]  |
| Posted: 21 Apr 2019 07:45 AM PDT I know it's a slow process, but rivers erode their nearby land and carry sediments, eventually depositing them downstream. But the water of rivers eventually ends up in the sea and then in the oceans, feeding the oceans with sediments from inland all the time. How didn't the rivers wash away the entire landmass from the continents into the ocean over millions of years? [link] [comments]  |
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