Why is the Congo River so deep? |
- Why is the Congo River so deep?
- When water does down the drain, why does it always go down the drain in a form of whirlpool.?
- What causes the thick mist/fog that I frequently see coming off of mountains in my area?
- What makes things transparent?
- What allows certain cars and airplanes to have their own Wifi?
- Many poisonous and venomous vertebrates get their toxins from toxic arthropods that form part of their diets. Why can't they just form the toxins themselves the same ways their prey do?
- If aliens were to look at earth through a telescope from 65 million lightyears away, would they see dinosaurs?
- How Bayes rule was used to help with aiming cannons?
- Why does fire flicker?
- What exactly is string theory and how does it work?
- Are initial telomere lengths fairly consistent in mammals? Barring external circumstances, do they decay at the same rate?
- I understand conduction and radiation as modes of heat transfer, but convection confuses me. Why does fluid moving over an object remove heat from it as opposed to adding heat due to friction?
- What happens to the brain as you fall asleep? Are certain proteins released to induce sleep? Is it seen as a voluntary or involuntary action?
- How do transitors amplify?
- Is there a limit to the energy density of batteries?
- Why does an animal like the sea otter have a long gestation period (145-325 days) but only have a lifespan of 15 years or so. Is there a relationship between gestation period and lifespan across marine mammals like that/or any other mammal?
- Which modern encryption standards would be both practical to implement on a large scale using technology from the 1940s and still effectively unbreakable today?
- What is the significance of a quasar discovered at 690 million years after big bang?
- How do particle accelerators such as the LHC detect particle collision products?
- How much does it actually cost to maintain the internet?
- Why does water not heat up through the friction created by movement (ocean waves/shaking it in a bottle)?
- How do drug companies decide on the form(s) of delivery for a given drug?
| Why is the Congo River so deep? Posted: 10 Dec 2017 09:52 PM PST I just read that the Congo River is, like, 220m deep. The Nile apparently is only about 8 to 11 m deep on average. And it is double the Amazon's 100m. I mean 220m is basically the depth of Lake Huron. Motherfucker is DEEP. But ... why? [link] [comments]  |
| When water does down the drain, why does it always go down the drain in a form of whirlpool.? Posted: 11 Dec 2017 04:31 AM PST |
| What causes the thick mist/fog that I frequently see coming off of mountains in my area? Posted: 10 Dec 2017 11:54 PM PST I live in the temperate rainforest biome that's in the Pacific Northwest of North America. I frequently see intensely heavy mist/fog[?] drifting up off the mountains close to me. What causes that? Is it a mist or a fog or low clouds, or what? Does this happen to other mountains or only those in similar rainforest areas? [link] [comments]  |
| What makes things transparent? Posted: 11 Dec 2017 03:48 AM PST i mean, i know they ARE transparent, i just don't know why? what makes a solid, liquid or gas transparent. [link] [comments]  |
| What allows certain cars and airplanes to have their own Wifi? Posted: 11 Dec 2017 03:36 AM PST I know some cars in the US and a lot of major airlines all have the ability to generate their own wifi networks. What allows them to do this without wires? (!IF Computing,Computing) [link] [comments]  |
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| How Bayes rule was used to help with aiming cannons? Posted: 11 Dec 2017 04:57 AM PST I am listening to The Theory That Would Not Die. At some point it is said that Joseph Louis Francois Bertrand used the Bayes rule to solve the artillery aiming problem. He produced a table that helped gunners to aim?!? I am studying statistics and Ive got a basic idea on how to apply Bayes rule to classical problems like: Suppose that you are worried that you might have a rare disease... but I can't see how can it be used with the cannon aiming problem? [link] [comments]  |
| Posted: 10 Dec 2017 06:59 PM PST |
| What exactly is string theory and how does it work? Posted: 10 Dec 2017 01:23 PM PST |
| Posted: 10 Dec 2017 04:50 PM PST Human telomeres decay at roughly 26 base pairs per year, and can have up to 15,000 base pairs initially. Do animals such as mice or apes have roughly the same level of decay and initial BP count as humans, barring external influence? [link] [comments]  |
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| Posted: 10 Dec 2017 05:43 PM PST I'm trying to learn this for an exam but I am still missing something after watching this https://m.youtube.com/watch?v=7ukDKVHnac4 I know they work as a switch without moving parts and what doping is, but how do transistors amplify, why is the electron flow increased in one of the circuits? [link] [comments]  |
| Is there a limit to the energy density of batteries? Posted: 11 Dec 2017 04:04 AM PST |
| Posted: 10 Dec 2017 01:24 PM PST |
| Posted: 10 Dec 2017 02:29 PM PST An Advanced Encryption Standard/Rijndael style code obviously wouldn't have been practical until recently due to computing limitations, and I assume the same goes for 90's era public key cryptography, with its large keys. But what do we have (other than one-time-pads) that could have been implemented during WW2 and still been secure through to today? Are any of these immune to the operator mistakes that compromised Enigma? Thanks! [link] [comments]  |
| What is the significance of a quasar discovered at 690 million years after big bang? Posted: 10 Dec 2017 01:40 PM PST Nature recently published a letter "An 800-million-solar-mass black hole in a significantly neutral Universe at a redshift of 7.5" NPR published on this a few days ago. It is obviously interesting that such a giant black hole is present, and discovered at a record-setting age. But is there any reason to think that there might be much older black holes, relatively speaking, e.g., at 1% of universe age, or whenever it was cool enough for them to cohere? Is this discovery likely at the edge of what was possible? [link] [comments]  |
| How do particle accelerators such as the LHC detect particle collision products? Posted: 11 Dec 2017 02:03 AM PST |
| How much does it actually cost to maintain the internet? Posted: 10 Dec 2017 08:25 PM PST |
| Posted: 10 Dec 2017 02:54 PM PST |
| How do drug companies decide on the form(s) of delivery for a given drug? Posted: 10 Dec 2017 02:44 PM PST That is, are there sometimes reasons to go with, say, a tablet rather than a sprinkle capsule, gel cap, or liquid suspension? Do the different forms have advantages and disadvantages compared to the others? Sometimes the choice is obvious--an inhaler has to be inhaled, for example--but in other cases, what, if anything guides that choice? [link] [comments]  |
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