Liquids can't actually be incompressible, right? |
- Liquids can't actually be incompressible, right?
- Has the Earth always rotated about 24 hours and orbited about 365 days? Or is it accelerating/decelerating? In the far future, say 250 million years or so, will it still be going at the same speed with 24 hour days etc?
- How are we able to measure the temperature of inaccessible objects such as the surface and core of the sun or the earth's core?
- Watching an new documentary about Rome and a thought crossed my mind, would it have been possible for candlelight concentrated in big cities to have caused light pollution?
- What ecological effect will planting 20 million trees actually have?
- Where does the CO2 collected by trees go? Does it go back to the atmosphere when the tree dies?
- Why does dengue cause low platelet count?
- Why do we perceive our “self” to reside in our heads?
- Do bugs/flies end up dying during a heavy storm or do they have somewhere to go?
- Is the increase in rates of depression among Western countries linked to the change in diets over the past decades?
- As we start to plant more trees should we be worried about what species of trees are planted at specific locations?
- Do the gravitational fields of other planets in our solar system influence Earth and/or our Moon in any way?
- If we put a person on speaker during a call, why can't he/she hear her own voice back , through the phone mic?
- Why does power/weight ratio dominate acceleration at slow speeds, but then straight horsepower seems to take over at high speeds?
- Simple question. Why do we feel a colder wind when we move fast? (On a bike for instance)
- How do earthworms sense vibration?
- What is the physiology behind why hot things, such as wasabi, “clear out your sinuses”?
- What affects continental drift?
- What is the effect of overexpressed cation channels on resting membrane potential?
| Liquids can't actually be incompressible, right? Posted: 26 Oct 2019 05:54 PM PDT I've heard that you can't compress a liquid, but that can't be correct. At the very least, it's got to have enough "give" so that its molecules can vibrate according to its temperature, right? So, as you compress a liquid, what actually happens? Does it cool down as its molecules become constrained? Eventually, I guess it'll come down to what has the greatest structural integrity: the "plunger", the driving "piston", or the liquid itself. One of those will be the first to give, right? What happens if it is the liquid that gives? Fusion? [link] [comments]  |
| Posted: 26 Oct 2019 06:53 PM PDT |
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| What ecological effect will planting 20 million trees actually have? Posted: 26 Oct 2019 11:27 AM PDT 20 million trees does seem like a lot, but is it enough to even make a dent in the amount of CO2 humans are producing? Is it money well spent to spend $20 million of planting 20 million trees? [link] [comments]  |
| Where does the CO2 collected by trees go? Does it go back to the atmosphere when the tree dies? Posted: 26 Oct 2019 01:06 PM PDT |
| Why does dengue cause low platelet count? Posted: 26 Oct 2019 08:33 AM PDT I know platelets are responsible for blood clotting but I don't understand how disabling that mechanism could be beneficial for the virus's survival. [link] [comments]  |
| Why do we perceive our “self” to reside in our heads? Posted: 26 Oct 2019 06:36 AM PDT Is it simply because that's where our brains are located, or our sensory organs, or some other reason? [link] [comments]  |
| Do bugs/flies end up dying during a heavy storm or do they have somewhere to go? Posted: 25 Oct 2019 11:10 PM PDT We had a storm last night & whilst I was cosy in bed I thought to myself, gosh wouldnt it be awful go be outside... then it occured to me... small insects must get completely annihilated?? I mean, there's floods of water running down the street/garden, the winds are so harsh they're blowing through my house opening all of the doors. So do the smallest of creatures actually have somewhere to go, or is it simply genocide? [link] [comments]  |
| Posted: 26 Oct 2019 05:04 AM PDT Been reading about the gut microbe biome and the effects on the brain which got me thinking about the decline in the quality of the Western diet to more red meats and processed foods. [link] [comments]  |
| Posted: 26 Oct 2019 04:18 AM PDT |
| Posted: 26 Oct 2019 04:54 AM PDT |
| Posted: 26 Oct 2019 01:22 AM PDT If i speak they can hear my voice, but not their own voice even though it's loud enough. [link] [comments]  |
| Posted: 26 Oct 2019 07:09 AM PDT Why does power/weight ratio dominate acceleration at slow speeds, but then straight horsepower seems to take over at high speeds? Example: 86 HP motorcycle which weighs 660 lbs (with 200 lb rider). 260 HP per ton. RWD. 306 HP car which weighs 3300 lbs (with 200 lb driver). 185 HP per ton. FWD. Motorcycle dominates acceleration from 0 to 60. Motorcycle wins acceleration from 60 to 100 by maybe 25%. After 100 motorcycle rapidly falls off compared to car. Top speed motorcycle ~135, car ~170. These are real world examples both by the same manufacturer.... bonus points if you guess the vehicles. [link] [comments]  |
| Simple question. Why do we feel a colder wind when we move fast? (On a bike for instance) Posted: 26 Oct 2019 06:26 AM PDT |
| How do earthworms sense vibration? Posted: 26 Oct 2019 02:32 AM PDT What kind of organ do they use for it? How did it evolve? Additionally: how do they sense orientation/ gravity? [link] [comments]  |
| What is the physiology behind why hot things, such as wasabi, “clear out your sinuses”? Posted: 25 Oct 2019 01:51 PM PDT Just had a little too much wasabi with my sushi and it got me thinking... [link] [comments]  |
| What affects continental drift? Posted: 25 Oct 2019 06:29 PM PDT Speaking in laymen's terms, when I look at the land distribution on a globe, it is not difficult to put all the continents together as I would suppose they once were. What I am wondering is how the separation started as the Pacific Ocean seems a much greater area than the Atlantic Ocean. As well, why did some land masses beak off yet go in a direction different from the rest. Am I wrong in thinking that the momentum of the earths rotation has nothing to do with the way the "skin" of the earth; the mantle moves over time? For instance the lower hemisphere seems to have much greater distances between the continents that the North hemisphere as well as greater vertical separation from the land masses. I also notice when moving the masses together the way they fit that there are areas missing, I would assume (dangerous word I know) that these missing parts could easily be meteor strikes as it would to me make the most sense. How did such strikes affect movement, could they force an either complete change in the direction of the earth's spin perhaps several times over huge periods of time? Or could the force of such impacts just push the land masses apart at greater speed, as a high speed impact would do to anything else? Again I speak only from visual studies. If I am completely wrong please don't hesitate at all to let me know. [link] [comments]  |
| What is the effect of overexpressed cation channels on resting membrane potential? Posted: 25 Oct 2019 09:57 PM PDT Hey guys, I'm trying to understand how the resting membrane potential of a cell would influenced if you were to over express receptor operated non-selective cation channels in that cell? From what I understand, if a cells membrane is dominated with ion channels that conduct a specific species of ion (cations in this case) the resting membrane potential would be heavily influenced by the reversal potentials of the ions that can be conducted by those ion channels. And from what I read, the resting potential of such a cell would be at or close to 0 mV. And this 0 mV value is obtained by plugging in the reversal potential and conductance values in the Chord Conductance Equation. Am I understanding this correctly? Any help would be appreciated. [link] [comments]  |
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