Can satellites be in geostationary orbit at places other than the equator? Assuming it was feasible, could you have a space elevator hovering above NYC? |
- Can satellites be in geostationary orbit at places other than the equator? Assuming it was feasible, could you have a space elevator hovering above NYC?
- flair:'Neuroscience' If you were to "mentally practice" tennis, would the parts of your brain normally associated with actually playing tennis (especially movement) be activated as a result?
- Why are elements (like gold) found in chunks and concentrated in some locations?
- Does your DNA alter throughout your lifetime?
- How do ion propulsion systems avoid building up a huge static charge?
- Do bigger people have more nerves than smaller people? If they have, do they have more brain capacity to complement it?
- Does my current fitness level when conceiving a child affect my child in any way?
- Is gravity different in certain spots on earth?
- Why does your hearing slightly fade out when you yawn?
- Are there more poisonous and venomous animals in warmer climates?
- Does the concept of a photon ever break down?
- How does the multi factor authentication algorithm work?
- Is there a fundamental difference between tornadoes and dust devils, or is it *just* a matter of size?
- Why is c (speed of light) the constant and not time or space?
- If energy can neither be created nor be destroyed where does all the energy in the universe came from?
- Clarification on Black Body Radiation and Quantas?
- Do we have any idea what prevents the massive force of repulsion between the protons in the nucleus of the atom?
- In the making of calendars thousands of years ago, how would people nail down that the year was 365 days long? Analemmas, maybe from the shadows of a sort of gnomon at noon?
- Do Icebreaker ships cause serious environmental damage to the Arctic region?
- Why does lightning cause things like trees and buildings to explode/disintegrate?
- Would a skyscraper weigh more lying on its side than it would standing upright?
| Posted: 25 Oct 2017 04:12 PM PDT 'Feasible' meaning the necessary building materials, etc. were available, would the physics work? (I know very little about physics fwiw) [link] [comments]  |
| Posted: 25 Oct 2017 03:49 PM PDT If those parts are activated, why are your limbs not actually moving? EDIT: I accidentally broke my flair first time 'round, sorry. [link] [comments]  |
| Why are elements (like gold) found in chunks and concentrated in some locations? Posted: 25 Oct 2017 12:10 PM PDT Hi everyone, I'm no astronomy expert at all, therefore sorry if I say something too stupid here. :) As far as I know the elements are formed in the universe by fusion (up to iron) and other super events (like supernovas) for elements above iron. My doubt is, if atoms of an element (gold for example) are formed randomly in the universe, how come here on Earth they are always together in chunks (nuggets) and always in some specific locations (where they concentrate the mining)? I've learned that Star formations produce a gaseous proto-planetary disk around the young star. All this "dust" collide and stick together throughout the years, gradually growing to form planets. So, if this is the case, how come atoms from the same element come together? Do they attract each other? Is it due to they similar weight? Thank you all! [link] [comments]  |
| Does your DNA alter throughout your lifetime? Posted: 25 Oct 2017 03:07 PM PDT Does everything you come in contact with in your life alter your DNA chemistry in any way? All of your experiences? All of your emotions? Physical damage? Healthy or poor eating? Hygiene? UPDATE: All of this is amazing you guys. I appreciate all of the effort you all put in to explaining. It's truly amazing; the human body. [link] [comments]  |
| How do ion propulsion systems avoid building up a huge static charge? Posted: 25 Oct 2017 03:37 PM PDT From what I understand, ion propulsion systems ionize a gas, typically xenon, then shoot it out at extreme speeds. And from what I understand of static electricity, when you have significantly more or less protons than electrons, you've got a static charge. If a satellite or space ship uses an ion propulsion system, which is stripping/adding electrons to the propellant as it is used, how are they avoiding an ever-increasing static charge as the vessel uses its engine? [link] [comments]  |
| Posted: 26 Oct 2017 05:39 AM PDT If people would have the same nerve density regardless of the amount of tissue, that would mean more sensory information from a bigger person's body. Would that at some point affect brain functions of really large people? And if you get fat, would that mean more nerves and information with the added skin and tissue? Your brain still stays the same. [link] [comments]  |
| Does my current fitness level when conceiving a child affect my child in any way? Posted: 25 Oct 2017 07:04 PM PDT Like if I'm really fat when we conceive, does that make it more likely my child will be less healthy? Or vice versa if I'm very fit? I am male, so more focused on that perspective. But answers for either male or female would be appreciated! [link] [comments]  |
| Is gravity different in certain spots on earth? Posted: 25 Oct 2017 10:48 PM PDT I keep hearing stuff like "the average gravity on earth is 9.81 m/s/s" but for there to be an average wouldn't there have to multiple amounts? [link] [comments]  |
| Why does your hearing slightly fade out when you yawn? Posted: 25 Oct 2017 08:48 AM PDT |
| Are there more poisonous and venomous animals in warmer climates? Posted: 25 Oct 2017 12:44 PM PDT |
| Does the concept of a photon ever break down? Posted: 25 Oct 2017 05:29 PM PDT Gamma rays can be approximated as particles, but what about radio waves? Microwaves? [link] [comments]  |
| How does the multi factor authentication algorithm work? Posted: 26 Oct 2017 01:54 AM PDT and more specifically how do the two devices know the correct key while being disconnected from the internet. [link] [comments]  |
| Posted: 25 Oct 2017 08:11 AM PDT Are they formed by similar (yet differently scaled) causes, or are they, at their root, different beasts that merely resemble each other? Does there exist a smooth spectrum (continuum) of possible sizes, or is there a clear jump from dust devils to tornadoes, with nothing in between? [link] [comments]  |
| Why is c (speed of light) the constant and not time or space? Posted: 25 Oct 2017 08:51 PM PDT If I orbit earth and fire a beam of light it should travel 300K km/s tangentially off the orbit. But if I take gravity into account then the light should bend to the gravity of the earth just as it does around a black hole. My question is why is it that light is the constant and time/space are the ones that bend. What would the implication be if light ebbed and flowed and time moved at a constant rate? [link] [comments]  |
| Posted: 25 Oct 2017 05:26 PM PDT If energy can neither be created nor be destroyed where does all the energy in the universe came from? [link] [comments]  |
| Clarification on Black Body Radiation and Quantas? Posted: 26 Oct 2017 03:41 AM PDT I'm having trouble understanding the relationship between the radiation absorbed by a black body, its temperature, and the thermal radiation it emits. For example, when looking at the graph of BBR curves, what exactly does it all mean? Also, how does this all tie into the "Ultraviolet Catastrophe" and the adoption of Quantas over Classical Physics? [link] [comments]  |
| Posted: 25 Oct 2017 07:15 PM PDT Are there any interesting theories out there? Or are we completely clueless? Also, I would love to see some interesting articles linked here! [link] [comments]  |
| Posted: 25 Oct 2017 10:36 PM PDT |
| Do Icebreaker ships cause serious environmental damage to the Arctic region? Posted: 25 Oct 2017 10:32 PM PDT I'm not sure if this is an appropriate question to ask but I just watched a video about a nuclear powered Icebreaker ship that according to the video was clearing a passage toward the North Pole. Insanely cool and impressive what we have been able to achieve but at the same time it looks like it's causing a lot of disturbance in the areas where it passes through and I was wondering if there are any long term negative repercussions such ships would have in the region? [link] [comments]  |
| Why does lightning cause things like trees and buildings to explode/disintegrate? Posted: 26 Oct 2017 01:30 AM PDT As the title suggests, why do lightning strikes cause trees to literally explode like this or like this. [link] [comments]  |
| Would a skyscraper weigh more lying on its side than it would standing upright? Posted: 26 Oct 2017 12:34 AM PDT |
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