What is stopping islands from eroding away? |
- What is stopping islands from eroding away?
- Why don't plumbers use aluminium pipes instead of copper?
- Particle entanglement says distance between particles is irrelevant for one to affect the other instantaneously. What if the particles are a light year apart? Does that mean the speed of light really isn’t the universal speed limit?
- How can lasers cool something to near absolute zero?
- Are the elements distributed evenly throughout the universe, in the same relative proportions we find on earth?
- What causes meteorites to have a geometric almost crystalline pattern on their interior?
- Other than height, are there any observable physical differences between a human who is alive today and someone who was alive 10,000 years ago?
- Would a Traumatic Brain Injury after the onset of symptoms accelerate the progression of Alzheimer's Disease?
- What is the smallest animal that can hear?
- Invertebrate muscle physiology seems so counter-intuitive. What am I missing?
- Do electric and hybrid car batteries become useless within a few years just as cell phone and laptop batteries do? Is this a common problem in their case? How expensive is the change?
- If magma is a viscous, then shouldn't the plates resting on top of the mantle be shifting more violently?
- Why is electricity dangerous?
- What's This Structural Grid In the Eye Of Africa? (Richat Structure, Mauritania)
- Is bit-rot (magnetic decay/reversal) in conventional HDDs real? Does data "fade" after a long period of unuse?
- If there were two moons, would nights be noticeably brighter?
- How and why do we wake up?
- Certain animals have abilities, how are these abilities transferred to a new generation?
- How do localized allergies occur?
- Do alergic babies in the womb have a reaction to food their mother eats?
| What is stopping islands from eroding away? Posted: 03 Nov 2018 02:14 PM PDT |
| Why don't plumbers use aluminium pipes instead of copper? Posted: 03 Nov 2018 11:51 AM PDT It seems weird to me, because aluminum is much cheaper by volume and easier to handle, and is also resistant to corrosion. [link] [comments]  |
| Posted: 03 Nov 2018 09:31 AM PDT |
| How can lasers cool something to near absolute zero? Posted: 03 Nov 2018 07:08 AM PDT |
| Posted: 03 Nov 2018 07:34 AM PDT Are there planets made of solid gold, of deserts of diamond 'sand'? Is there likely to be any elements that are unknown to us? [link] [comments]  |
| What causes meteorites to have a geometric almost crystalline pattern on their interior? Posted: 03 Nov 2018 09:38 AM PDT https://m.imgur.com/gallery/qZi7Ajg I've been looking at meteorites a Christmas gift for my SO, and I noticed that some of them have geometric and sometimes crystalline patterns when you view them as cross sections. What causes them to look like this instead of simply being big, bulky chunks of metal? [link] [comments]  |
| Posted: 03 Nov 2018 04:57 AM PDT |
| Posted: 03 Nov 2018 01:05 PM PDT I know that AD is strongly correlated with development of amyloid plaques in the brain, and TBI causes large increases in the prevalence of amyloids and their precursors. Thing is, most of the research I've seen focuses on the risk of developing AD at some point in the future. What about when it's already present? If a patient with AD suffered a TBI, would you expect it to affect the progression of the disease? -Is anyone aware of any research to this effect? [link] [comments]  |
| What is the smallest animal that can hear? Posted: 03 Nov 2018 06:12 AM PDT Can bugs hear? What is the smallest animal that can hear? Does hearing come with certain dangers when you're that small? [link] [comments]  |
| Invertebrate muscle physiology seems so counter-intuitive. What am I missing? Posted: 03 Nov 2018 08:35 AM PDT I can't seem to find enough information on the muscle physiology and biochemistry of invertebrates. I'd like to know firstly, what contractile proteins their muscle fibers use. Do they use similar proteins to the actin, myosin, troponin and tropomyosin or do they use a completely different system altogether? Secondly, where do their muscle fibers originate and insert? They don't have a skeleton or cartilage or tendons, so how do the muscle fibers find leverage? If the exoskeleton is the answer, then still, how do their muscles gain leverage if both attachment points are to the same structure? Based on this then, thirdly, how is invertebrate muscular strength so much higher as a proportion of body weight when compared to their vertebrate cousins? Why can an ant lift 40 times its own body weight over its head but a lion can't push a 7-tonne lorry? Any links would be fine. [link] [comments]  |
| Posted: 03 Nov 2018 04:14 AM PDT I'm really interested in this and would like an informed answer. [link] [comments]  |
| Posted: 03 Nov 2018 08:39 AM PDT For sake of analogy, if I were to put a pizza crust on top of a plate of applesauce ,it would be very unstable and would move around constantly with even the slightest touch. [link] [comments]  |
| Posted: 03 Nov 2018 06:44 AM PDT |
| What's This Structural Grid In the Eye Of Africa? (Richat Structure, Mauritania) Posted: 03 Nov 2018 05:14 AM PDT There's a group of nearly perfectly spaced circular depressions typically ranging from 280-320 ft apart, spanning from 21.207151, -11.419889 to 21.212295, -11.432566, and there are over 60 of them altogether. I don't see this occurring anywhere else in the region, and I don't think it's a satellite imagery bug due to several of the sites not lining up with the grid formation or distances, but I'm no Geospatial Analyst. Some people claim that the Richat Structure is what used to be Atlantis before the volcanic activity, but I have my reservations on that notion. Any ideas on what those structures might be? [link] [comments]  |
| Posted: 03 Nov 2018 09:57 AM PDT Few years back I was reading something and someone mentioned the theory of "bit rot", that over time, the magnetic domains on a platter would randomly flip. This lead me on a research hunt, which unfortunately didn't really turn up anything solid in terms of fact. There is plenty of scientific basis for the theory, namely superparamagnetism, but nothing definitive on the subject of hard drives. The most in detail discussion I've seen is from this subreddit, this post. Top comment claims that average time for a bit to flip is 10 years. I find this hard to believe, as recently I powered up an old hard drive that, I think, hadn't been powered on for ~10 years. Maybe it had been powered on in this time, or maybe I was extremely lucky? I ran a full surface scan and it was all green. Like I said, I can find lots of information on superparamagnetism, but nothing in the context of hard drives. There's not been any studies done, which makes sense as hard drives are frequently cycled and aren't considered long term in that sense. So I'm wondering if anyone here has any knowledge / experience on the topic. I'm not talking about physical damage to the platters, I'm specifically talking "magnetic decay" or whatever it is/isn't! [link] [comments]  |
| If there were two moons, would nights be noticeably brighter? Posted: 03 Nov 2018 05:28 AM PDT |
| Posted: 03 Nov 2018 05:41 AM PDT |
| Certain animals have abilities, how are these abilities transferred to a new generation? Posted: 03 Nov 2018 07:34 AM PDT Example: humans can outrun any (land)animal because they can regain energy whilst running, or a type of jellyfish that can return to a younger stadium not every animal can do that, but why can these animals? Is it coded into their DNA? It has to be for DNA is mostly responsible for different animals being different right? But isn't DNA responsible just for making proteïns? (I don't that's the right translation, stupid google translate) [link] [comments]  |
| How do localized allergies occur? Posted: 03 Nov 2018 07:10 AM PDT Just like the the title says, apparently things like celery allergies in central Europe and peanut allergies in America are isolated conditions. My question is how do these allergies develop in a population, and is it a cultural or geographical phenomenon? [link] [comments]  |
| Do alergic babies in the womb have a reaction to food their mother eats? Posted: 03 Nov 2018 05:17 AM PDT Can a baby have food allergies in the womb?And if so can the mother eating these foods cause a reaction in the baby? [link] [comments]  |
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