Why does heat cause distortions in the air? |
- Why does heat cause distortions in the air?
- Why don't birds fall of trees when they sleep?
- Pollen grains grow pollinic tubes of considerable length to reach the ovae through the stigma. Do they do this using solely their own self-contained resources or do they metabolize tissue from the stigma to fuel this growth?
- How deep underground can you still find life?
- How do photons emmited from stars millions of light years away, or a light-bulb in a room, get distributed?
- What would happen if Jupiter suddenly ignited, and became a star?
- What is left behind when a black hole explodes?
- Can there be two black holes with the same volume, but different masses?
- Could dark energy be a fundamental force like gravity?
- When do you feel weightless in space?
- How do supply-side economics and policies like school vouchers fit together in neoliberalism? Aren't vouchers a sort of demand-side policy?
- why do tiles need to be placed in the fire to make them?
- What is the connection between energy and information in a system?
- Is there a periodic chart for dark matter?
- How do instructions reach the GPU?
| Why does heat cause distortions in the air? Posted: 01 Jan 2016 10:46 AM PST |
| Why don't birds fall of trees when they sleep? Posted: 01 Jan 2016 08:12 AM PST |
| Posted: 01 Jan 2016 04:07 PM PST Bonus question: About how much of an increase in volume would the production of the pollinic tube represent compared to the initial pollen grain? [link] [2 comments]  |
| How deep underground can you still find life? Posted: 01 Jan 2016 06:44 AM PST How deep dig mammals like mice and moles? How deep go worms and insects? And at what depth stop bacteria and viruses? EDIT: I should have phrased the question "whats the biggest depth at which we found life?" and as /u/alek_hiddel has answered with this artricle it turns out to be arround 2.2 miles (3.5 kilometers). [link] [32 comments]  |
| Posted: 02 Jan 2016 05:08 AM PST Consider a star 500 light years away that I can see from Earth. Is this interpretation below of how this works correct? i) When i look at a star my eyes are basically detecting photons emitted by that star. ii) I could be standing at point 1, and I would see the photons "streamed" in my direction. i could be a point 2, and I would see a separate set of photons "streamed" in my direction. iii) Is there a "resolution" or minimum distance between points I could be standing at to detect the same photons? iv) If there is no such minimum resolution, given that there are infinite number of points within visible distance of that star, the star would have to emit an infinite amount of photons in every direction simultaneousely? But this is not possible, so there has to be a minimum resolution, OR the light emitted is a continuous wave emitted in all directions. v) Assuming the "continuous wave" is correct, how does ray tracing software simulations that uses "light rays" render the world correctly? Are "light rays" here a discretized section of the waveform to aid simulation and interpretation? The same question could apply to a light bulb I suppose. Thanks. [link] [1 comment]  |
| What would happen if Jupiter suddenly ignited, and became a star? Posted: 01 Jan 2016 08:38 PM PST I have heard before (can't remember where) that Jupiter is on the threshold of becoming a star, and it had gained a bit more mass during its formation it would have been able to ignite and been born a star. So my question is; what would happen it our solar system of Jupiter were to suddenly ignite and become a second star in our solar system? [link] [14 comments]  |
| What is left behind when a black hole explodes? Posted: 01 Jan 2016 02:10 PM PST So through Hawking radiation, a black hole evaporates and eventually explodes. If it explodes, shouldn't that leave behind matter? Can there be an explosion without matter? Wouldn't this also mean that after the Stelliferous Era, there could be more fusion taking place as matter is left behind from black hole explosions? Couldn't this also keep the universe going indefinitely? [link] [4 comments]  |
| Can there be two black holes with the same volume, but different masses? Posted: 01 Jan 2016 10:44 AM PST |
| Could dark energy be a fundamental force like gravity? Posted: 01 Jan 2016 11:49 AM PST |
| When do you feel weightless in space? Posted: 02 Jan 2016 03:47 AM PST |
| Posted: 01 Jan 2016 08:13 AM PST |
| why do tiles need to be placed in the fire to make them? Posted: 01 Jan 2016 03:28 PM PST why do tiles need to be placed in the fire? what chemical process is necessary with the heat? why doesn't concrete need this? [link] [2 comments]  |
| What is the connection between energy and information in a system? Posted: 01 Jan 2016 07:17 PM PST I mean in very general terms what is the relationship between these two properties of a system/process. It seems we can describe process more completely with both together rather than either form alone. [link] [1 comment]  |
| Is there a periodic chart for dark matter? Posted: 01 Jan 2016 07:56 AM PST I'd imagine it to have completely different properties than proton/electron/neutron counts. [link] [5 comments]  |
| How do instructions reach the GPU? Posted: 31 Dec 2015 10:13 PM PST If I am playing a game on my PC my GPU is handling all the graphics. Wonderful. But, what sends the instructions to the GPU so the GPU can do its stuff? [link] [7 comments]  |
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