Does smoke from a wildfire lower temperature in surrounding areas? |
- Does smoke from a wildfire lower temperature in surrounding areas?
- What are the effects of alcohol on human brain development on people ages 18-24?
- Many fruit are green before ripening, is this colour due to chlorophyll? If it is are the unripe fruit involved in photosynthesis?
- What's up with the Normal/Gaussian Distibution? What properties does it have that make it special? Does does one arrive at its probability density function?
- Does splitting an atom expel radiation? If not where does the radiation from nuclear explosions come from?
- Why were prehistoric animals so big, and after they went extinct, why did new animals not grow to such enormous sizes?
- Why does fire change colour with certain chemicals inside it?
- How does transmitting sound through radio waves work?
- Is there such a thing as absolute electric potential?
- Why do I only hear bass and low tones outside of clubs and shows?
- Why is water compressible?
- What impact do coffins and embalming have on the earth instead of decomposition?
- How come when I am driving fast, stationary objects make a woosh sound as I pass by them?
- What is the evidence that I.Q tests measure intelligence?
- How do we know that the Universe's law or constants never change?
- How do the antibodies in a blood donors blood behave in the blood recipients body?
- How high up the atmosphere can Carbon Dioxide go?
- What's the efficacy of antidepressants when compared to placebos in clinical studies?
- When they measure the distance between objects like planets and suns, at what point do they start the measurement?
- What is the difference (if any) between looking at the solar eclipse and just looking at the sun?
- How much do we know about the physical properties of different antimatter?
- Why does using a propane tank make it get cold?
- What would happen to a rocket if it launched straight up and didn't turn sideways?
| Does smoke from a wildfire lower temperature in surrounding areas? Posted: 04 Aug 2017 06:32 PM PDT Living in British Columbia and with the current wildfires that are going on, does the smoke somewhat cool the area? On Wednesday and Thursday, the forecast predicted the temperature to be nearly 100F but felt like mid-high 80s instead. Where I live is currently engulfed from the smoke. Does this cool the earth by reflecting the heat rays back into the atmosphere/space? [link] [comments]  |
| What are the effects of alcohol on human brain development on people ages 18-24? Posted: 04 Aug 2017 09:18 PM PDT As a college student, I watch a lot of binge drinking and I've gone to my share of parties too. I've heard a lot through school about how alcohol stunts development in young people. To what degree is this true, especially in the young adult age group where people are mostly done developing physically. How much do different levels of drinking harm different age groups? (A few drinks every weekend vs once a month vs heavy regular binge drinking). I feel like there are a lot of biased answers on this topic so I'd love to see your sources! [link] [comments]  |
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| Posted: 04 Aug 2017 09:04 PM PDT Why is it that the "first round" of animals on the planet were so large, but after they all went extinct, new animals did not evolve into such huge creatures? [link] [comments]  |
| Why does fire change colour with certain chemicals inside it? Posted: 04 Aug 2017 02:58 PM PDT |
| How does transmitting sound through radio waves work? Posted: 05 Aug 2017 01:29 AM PDT Could someone explain to me the physics of the waves when sound is transmitted and broadcast onto radio waves? How exactly do the two waves interact in such a way that the sound travels with the radio waves completely intact? Also how do radio frequencies that are close to each other not interfere with each other? [link] [comments]  |
| Is there such a thing as absolute electric potential? Posted: 05 Aug 2017 06:37 AM PDT let's say I have three metal plates, let's call them A B C, and a voltage source. I put A and B very very close to each other, and I use the voltage source to charge them like a capacitor, let's say A is positive. Then I remove the source and separate the plates. What are the potential differences between A and B and C? C's potential is 'unchanged' from its ground state. Is there some absolute potential (let's say zero?) that I can assign to it? Does this mean the B is negatively charged in some absolute sense? At this point I have a slightly positive A and a slightly negative B... Do their chemistries change because the number of electrons available has changed? [link] [comments]  |
| Why do I only hear bass and low tones outside of clubs and shows? Posted: 04 Aug 2017 04:27 PM PDT I'm super curious as to why it seems like no treble or high pitches can make it through to the outside, and why the music sounds so muffled. [link] [comments]  |
| Posted: 05 Aug 2017 04:13 AM PDT The general assumption is that water is incompressible. However, many sources (and many questions/answers here) say that in fact it is compressible, but only very slightly What I didn't see explained yet is: Why is water compressible at all? What part of water is able to "take less space" under high pressure? [link] [comments]  |
| What impact do coffins and embalming have on the earth instead of decomposition? Posted: 04 Aug 2017 10:09 AM PDT According to the ecology global network, 55.3 million people die every year. I haven't found any numbers regarding coffins, but I am imagine that many people use some method of embalming or preservation when they die. I also have to imagine that a body decaying naturally in the earth has much more nutritional, beneficial properties for the earth than a body sealed in a box or one that is embalmed. I might be asking this question in the wrong manner, if so I apologize. My primary interest in this question regarded the current state of the earth. Whether or not global warming or just about anything can or could be altered by this coffin phenomena. [link] [comments]  |
| How come when I am driving fast, stationary objects make a woosh sound as I pass by them? Posted: 04 Aug 2017 02:17 PM PDT |
| What is the evidence that I.Q tests measure intelligence? Posted: 04 Aug 2017 07:40 AM PDT |
| How do we know that the Universe's law or constants never change? Posted: 04 Aug 2017 12:04 PM PDT If all we know is from comparing the universe against itself, how can we actually know that our various discoveries on how the universe operate can't ever change? It goes against human instinct for sure, but has science actually proven that the universe isn't able to change itself? And since theories that the universe might be a computer simulation are becoming popular I feel this question is becoming even more relevant. In that case anyone outside the simulation could change the constants (for example, alter the speed of light slightly) at any time. But even outside easy-to-imagine ways in which the universe could have its constants changed, has science ever backed up the nearly-universal assumption that these constants couldn't change? [link] [comments]  |
| How do the antibodies in a blood donors blood behave in the blood recipients body? Posted: 04 Aug 2017 02:51 PM PDT So obviously blood type is selected against the antibody response of a recipient using the ABO+/- system, therefore the donor must be screened for antigens that could induce an antibody response in the recipient. My question is what about the antibodies present in the donor blood? My intuition is that isolation from its origin lymphatic system blocks the antibodies from initiating any significant response as the recipients immune system could possibly be unresponse to the foreign antibodies. With that being said, certainly some free floating donor antibodies must react with the antigens in the recipient when receiving the blood. Does this simply occur in a negligible quantity without the lymphatic memory response to proliferate the defense? An example being an AB recipient receiving O blood ought to trigger a double rejection by the donor bloods limited antibodies to the recipients system, similar to if an O recipient received AB donor blood. [link] [comments]  |
| How high up the atmosphere can Carbon Dioxide go? Posted: 04 Aug 2017 03:39 PM PDT School Books taught me that Carbon Dioxide create a barrier of some form that keeps heat from leaving the planet. So which part of the Atmosphere does this "barrier" take form? Also, can Carbon Dioxide get blasted off from earth by the sun? [link] [comments]  |
| What's the efficacy of antidepressants when compared to placebos in clinical studies? Posted: 04 Aug 2017 06:27 AM PDT |
| Posted: 04 Aug 2017 06:45 AM PDT Do they start at the center of the planet and how do they handle elliptical orbits? [link] [comments]  |
| What is the difference (if any) between looking at the solar eclipse and just looking at the sun? Posted: 04 Aug 2017 03:01 PM PDT Everybody and their brother is freaking out about buying special eye protection for the solar eclipse. Is there something different about a solar eclipse that makes it especially damaging to peoples eyes? Why or why not? [link] [comments]  |
| How much do we know about the physical properties of different antimatter? Posted: 04 Aug 2017 12:42 PM PDT I was reading about anti-hydrogen. Presumably, you could have antimatter in the form of anti-x element. But, do we know whether the antimatter versions of the things would have the same kind of physical properties? I.e., is anti-hydrogen a gas? Would anti-copper be a metal? Is anti-copper possible? Do we know? edit: Thanks!!! [link] [comments]  |
| Why does using a propane tank make it get cold? Posted: 04 Aug 2017 02:02 PM PDT |
| What would happen to a rocket if it launched straight up and didn't turn sideways? Posted: 04 Aug 2017 08:22 PM PDT I understand that rockets turn sideways a bit after they are above most of the atmosphere to gain orbital speed, but what if it didn't turn? I assume that the rocket can still get to space just from sheer thrust. If it kept going and stopped around the ISS orbit, would it just fall back or start to orbit? [link] [comments]  |
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