Since we measure nuclear warhead yields in terms of tonnes of TNT, would detonating an equivalent amount of TNT actually produce a similar explosion in terms of size, temperature, blast wave etc? |
- Since we measure nuclear warhead yields in terms of tonnes of TNT, would detonating an equivalent amount of TNT actually produce a similar explosion in terms of size, temperature, blast wave etc?
- Why do images from scanning electron microscopes all have this grainy effect?
- If you were to sky-dive in the rain, would water hit your stomach, back, or both?
- How doesn't the large hadron collider get damaged by its tests?
- Rotational speed and deformed of nuclei?
- What is the Link Between the Primary Auditory Cortex and Motor Cortex?
- Can donated organs be re-donated?
- If I make a cup of coffee in my Keurig, then make another cup using the same grounds, roughly how much caffeine is in the second cup?
- What is happening in our brain when we can’t recall something, then we suddenly remember after a few seconds of trying?
- How do we know what makes up the center of the world?
- Why does mitochondrial DNA only come from the mother?
- What causes the values for nuclear spin for combinations of protons and neutrons?
- What was it like when cosmic background radiation passed the visual spectrum?
- Could a really long straw going into space drain the oceans?
- If an aircrafts cabin is pressurized, why can people feel a significant change in air pressure in the ear drum during lift off and landing?
- Have new craters on the moon been observed?
- When light is polarised where does the magnetic field of the EM wave go?
- How much power is needed to get signals to the mars rover, and/or further places in space?
- Why is the electromagnetic spectrum classified the way it is?
- How do they predict the expiration date on food such as milk, bread, etc?
- Solids precipitate out of solution, but what do gasses do?
- What is it about merged species (Mules, Ligers) that makes them sterile?
| Posted: 03 Dec 2018 01:07 PM PST Follow up question, how big would a Tzar Bomba size pile of TNT be? (50 megatons) [link] [comments]  |
| Why do images from scanning electron microscopes all have this grainy effect? Posted: 04 Dec 2018 05:14 AM PST I was watching this video https://www.youtube.com/watch?v=j6B-HYsvkvo and noticed that the images produced by electron microscopes seem to have this grain or texture consistent amongst all of them, is there a specific reason for this? Thanks! [link] [comments]  |
| If you were to sky-dive in the rain, would water hit your stomach, back, or both? Posted: 04 Dec 2018 07:16 AM PST |
| How doesn't the large hadron collider get damaged by its tests? Posted: 04 Dec 2018 03:43 AM PST Colliding particles produces (transforms) a lot of energy, so how doesn't that damage all the very delicate sensors put in place? [link] [comments]  |
| Rotational speed and deformed of nuclei? Posted: 03 Dec 2018 11:44 PM PST Does the rotational speed of a nucleus affect it's deformation? As in when an unstable superheavy element is noted to have a deformed to hyperdeformed nucleus, is that a reflection of it's rotational speed? And if not, why does the deformation only occur on a rotational plane, and not just result in an instantaneous decay or a more sparsely packed nucleus (deformation of 3 axes instead of elliptical deformation on 2 axes)? Can a stable nucleus become deformed without changing proton or neutron count, or adding a neutron to a nucleus to induce deformation? Can this impact stability? Sorry about the run-on questions, thanks in advance! [link] [comments]  |
| What is the Link Between the Primary Auditory Cortex and Motor Cortex? Posted: 03 Dec 2018 06:01 PM PST It is kinda hard to ask this question in a single sentence, but you know how some animals' ears move when they detect particular/loud noises? From all the models I've encountered of human motor cortex (motor homonculus), there is no encoding for ear movements. Obviously some animals can perform isolated ear movement, presumably to hear "better". I was wondering if these animals have a special pathway between the primary auditory cortex and the ear-encoding motor cortex, a bit like how the language cortex in humans is closely connected to mouth/lips/pharynx motor and premotor cortex. [link] [comments]  |
| Can donated organs be re-donated? Posted: 03 Dec 2018 10:25 AM PST Once the person receiving the transplant passes, can those same organs be donated again if that person signs up as an organ donor? [link] [comments]  |
| Posted: 03 Dec 2018 03:51 PM PST Assuming two 8oz cups, for argument's sake, using 10-12g ground coffee. Not looking for exact numbers, but even just a percentage would be super helpful :) Just curious about how efficient the first extraction is. [link] [comments]  |
| Posted: 03 Dec 2018 10:44 AM PST |
| How do we know what makes up the center of the world? Posted: 03 Dec 2018 05:49 PM PST |
| Why does mitochondrial DNA only come from the mother? Posted: 03 Dec 2018 12:14 PM PST Why would there not be at least some mitochondrial DNA from the father, considering the fact that sperm cells have a good deal of mitochondria in them? [link] [comments]  |
| What causes the values for nuclear spin for combinations of protons and neutrons? Posted: 03 Dec 2018 03:56 PM PST So I've been reading about how the nuclear spin is zero if there are an even number of protons and neutrons, an integer if there are an odd number of protons and neutrons, a half integer for all other combinations. Is there a reason or some formula behind this? I'm assuming it has to do something with the interaction between the quarks and gluons, but I can't find any explanation of it. [link] [comments]  |
| What was it like when cosmic background radiation passed the visual spectrum? Posted: 03 Dec 2018 07:36 AM PST If cosmic background radiation has been 'cooling down' (or stretching out /slowing down) from gamma rays at the beginning of time to xrays/tv static now, roughly how long ago did it go through the visual range? What would that have been like? What about thermal infrared? Did everything get hotter for a while? [link] [comments]  |
| Could a really long straw going into space drain the oceans? Posted: 03 Dec 2018 08:27 AM PST My friend is convinced that if you put one end of a straw in the ocean, and the other into the vacuum of space, that it would drain the ocean. He thinks capillary action, space being a vacuum, and siphoning, would be able to drain the ocean into space. Am I wrong saying this wouldn't work, at least in any reasonable time frame (Quadrillions of years)? [link] [comments]  |
| Posted: 03 Dec 2018 08:53 AM PST |
| Have new craters on the moon been observed? Posted: 03 Dec 2018 11:30 AM PST Or all that we see are pre existing ones? Do we know how to date the existing craters ? [link] [comments]  |
| When light is polarised where does the magnetic field of the EM wave go? Posted: 03 Dec 2018 11:45 AM PST It's logical that light is simply no longer EM wave if there are no 2 components of electric and magnetic field, but books always illustrate polarised light as it is only one field after polariser. So where does it go then? [link] [comments]  |
| How much power is needed to get signals to the mars rover, and/or further places in space? Posted: 03 Dec 2018 02:29 PM PST At my basic understanding, the waves would get weaker the further they travel, so how do they get the signals out there, and does it require crazy amounts of power, or is it really not that hard (relatively speaking). [link] [comments]  |
| Why is the electromagnetic spectrum classified the way it is? Posted: 03 Dec 2018 02:05 PM PST Is there any significance to the names we give to different parts of the electromagnetic spectrum? Or are those classes based on something which distinguishes these classes? [link] [comments]  |
| How do they predict the expiration date on food such as milk, bread, etc? Posted: 03 Dec 2018 01:43 PM PST |
| Solids precipitate out of solution, but what do gasses do? Posted: 03 Dec 2018 09:50 AM PST To be precise, what's the word for a gas going from an aqueous state to a gas state? [link] [comments]  |
| What is it about merged species (Mules, Ligers) that makes them sterile? Posted: 03 Dec 2018 05:47 AM PST And are there examples of seperate species merging together? [link] [comments]  |
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