How do pigeons know where to go, when used as means of transporting messages? |
- How do pigeons know where to go, when used as means of transporting messages?
- How do molecules have such unique properties just being made up of atoms?
- How are islands connected to the internet?
- Why are Bio-Fermentors always tall and narrow?
- What in our universe is constant and not relative?
- If a young child is the recipient of an organ transplant, are they expected to be on Immunosuppressant drugs for life or is it possible that, atleast some organs, can be "replaced" on the cellular level in a ship of theseus sense?
- Is over or under generating truly possible in terms of matching generation to load on the power grid?
- What cause a jet engine to "flame out"?
- When an electron quantum tunnels, does it physically move through a barrier or does it "teleport"?
- Anti-deuterium from proton collisions ?
- In the time of supercontinents, where was the sea level and how does this affect maps?
- What causes lightning to form jagged shapes and strands as it comes to the ground?
- Why do dogs howl at seemingly random hours of the night?
- Why do we wake up with bad breath?
- What is the difference between Ergodic hypothesis and postulate of equal probabilities in statistical mechanics?
- How do scientists know how many animals of a specific species there are (are are able to give estimates)?
- [Biology] How much did Rosalind Franklin contribute to the discovery of DNA's double-helix structure?
- Why were Space Shuttle satellite deployment missions crewed with up to 7 people?
- death by Drowning: do people die because of the water in the lungs or lack of air?
- What's the science behind sunsets/sunrises? Why do some make more vibrant colors than others?
- If someone burnt 3,500 calories in a workout, at what time/point would they be 1 pound lighter?
- Does big flying objects like asteroids when passing through bigger celestial bodies like Earth or Moon alter their gravitational path?
- Is there any known correlation between smell or flavor (bitter, sweet, etc) and nutritional value?
| How do pigeons know where to go, when used as means of transporting messages? Posted: 15 Jan 2019 02:30 AM PST |
| How do molecules have such unique properties just being made up of atoms? Posted: 14 Jan 2019 08:22 PM PST I dont get how molecules can tuen out to have such radical properties, when atoms themselves are so bland? Like if you put a bunch of lego pieces together it'll still be a lego conglomerate, but if you put a bunch of atoms together you get an interesting substance. Its like making a lego set from bland legoes but afterwards when the set is done it magically glows or suddently becomes liquid at room temp. Like lets say pure carbon is just pencil lead or a diamond. Then you add a bunch of hydrogens to it, which is literally just adding a few more protons and you get oily fuel. Or you get the synthetic smell of bananas. Just by adding some atoms to it. [link] [comments]  |
| How are islands connected to the internet? Posted: 15 Jan 2019 05:26 AM PST Hello there. I'm wondering how islands are connected to the internet? Is it a matter of a simple cable connection? And in the case of larger islands, (Ireland or Britain), are they connected at multiple points or in conjunction with satellites? Cheers! [link] [comments]  |
| Why are Bio-Fermentors always tall and narrow? Posted: 15 Jan 2019 02:17 AM PST Is it because it makes diffusing air or mixing the broth easier? Or is there a more sciency reason? Thanks! [link] [comments]  |
| What in our universe is constant and not relative? Posted: 15 Jan 2019 04:12 AM PST If I'm not mistaken the speed of light in a vacuum is always the same no matter where you are in the universe. That is a speed. Are there other units which arent relative. Is there a size which it constant? (E.g the size of an atom, but i don't think that is constant). Or a weight, a temprature, another speed etc [link] [comments]  |
| Posted: 14 Jan 2019 06:05 PM PST |
| Posted: 15 Jan 2019 07:03 AM PST When load increases frequency lowers until governors open more to restore frequency to nominal (60.00 Hz US). During these transients however is MW produced constantly matching MW consumed? The way I understand it you're never truly under or over generating, you're deviating from nominal frequency. Note, I understand that individual entities are over/under generating constantly in relation to other entities, and this is measured by their ACE equation. [link] [comments]  |
| What cause a jet engine to "flame out"? Posted: 15 Jan 2019 03:52 AM PST When a jet engine is deprived of an oxidiser they shoot a flame at the back. It seems counterintuitive to me because shouldn't this prevent combustion from occurring? Could someone please explain this to me? [link] [comments]  |
| When an electron quantum tunnels, does it physically move through a barrier or does it "teleport"? Posted: 15 Jan 2019 05:29 AM PST Is there even a actual physical barrier or do people just use it as a way to explain tunneling? Any details about this subject would be welcomed. I have a very rudimentary understanding of quantum tunneling, so please excuse my terminology. [link] [comments]  |
| Anti-deuterium from proton collisions ? Posted: 15 Jan 2019 03:19 AM PST Is there any experimental evidence of antimatter deuterium produced as a daughter product from a proton+proton collision ? Would appreciate a published citation. [link] [comments]  |
| In the time of supercontinents, where was the sea level and how does this affect maps? Posted: 15 Jan 2019 01:09 AM PST Its common to see images of former supercontinents with today's continent or even country boundaries overlaid (e.g. Pangea) and the landmasses seem to neatly fit together like a puzzle. But as I understand sea levels have fluctuated hundreds of metres across the same time periods which would presumably place vast areas underwater. For example for Pangea (see link above) ~350m years ago the sea level might be 200m higher than today, presumably putting much of the modern world underwater including eastern north america, much of australia and russia. Maybe I'm missing something here. Are these maps wrong? Or have the continents changed in height? Thanks in advance [link] [comments]  |
| What causes lightning to form jagged shapes and strands as it comes to the ground? Posted: 14 Jan 2019 06:12 PM PST |
| Why do dogs howl at seemingly random hours of the night? Posted: 15 Jan 2019 02:42 AM PST I was outside late tonight, and was treated to a choir of distant doggos howling away with each other. This made me wonder if there is some kind of instinct responsible for this behavior, and also why they feel compelled to join other howling dogs? [link] [comments]  |
| Why do we wake up with bad breath? Posted: 14 Jan 2019 03:09 PM PST |
| Posted: 14 Jan 2019 09:18 PM PST It sounds like both the hypotheses states that each available microstates will be equally occupied. What am I missing? [link] [comments]  |
| Posted: 14 Jan 2019 09:07 PM PST I see this a lot on many informational pages about animals but never know where these numbers come from. EDIT: the title is supposed "or are", whoops [link] [comments]  |
| Posted: 14 Jan 2019 05:33 PM PST I've tried to Google this answer after Watson's sexist/racist beliefs recently came up in the news again. Everything I google basically tells me that they stole her data/didn't credit that data. Some pop-sci and bloggy type articles I read imply or state that Franklin discovered DNA's shape. Can anyone explain this situation to me? Is there something that kept Franklin from the "Aha!" Moment specifically? How much did she discover or understand about what her data proved? How much/what is lost to time? [link] [comments]  |
| Why were Space Shuttle satellite deployment missions crewed with up to 7 people? Posted: 14 Jan 2019 07:14 PM PST Most early Space Shuttle missions were just deploying satellites, something we have pretty much always been able to do without requiring human intervention. Why were those missions crewed by up to 7 astronauts? [link] [comments]  |
| death by Drowning: do people die because of the water in the lungs or lack of air? Posted: 15 Jan 2019 03:51 AM PST |
| What's the science behind sunsets/sunrises? Why do some make more vibrant colors than others? Posted: 14 Jan 2019 02:09 PM PST |
| If someone burnt 3,500 calories in a workout, at what time/point would they be 1 pound lighter? Posted: 15 Jan 2019 03:24 AM PST Excluding sweat and water weight, when does your body actually use up that pound of fat? [link] [comments]  |
| Posted: 14 Jan 2019 06:52 PM PST |
| Is there any known correlation between smell or flavor (bitter, sweet, etc) and nutritional value? Posted: 14 Jan 2019 10:57 AM PST Curious as to what taste buds are detecting, chemical composition? [link] [comments]  |
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