What would the horizon look like if you were standing on an infinitely stretching and perfectly flat plane? |
- What would the horizon look like if you were standing on an infinitely stretching and perfectly flat plane?
- Can an accretion disk around a black hole become so dense that fusion begins and generates a toroidal star?
- How genuine are Dr. Mehran Keshe's claims that the Earth will soon be hit by mega earthquakes which will claim around 40 million lives and will divide the continents?
- Can you represent PI in a finite number of digits in any number system?
- How does voyager organize the data it sends us?
- How do we know we have to sleep eight hours per day? Why not six or ten?
- The human hearing range goes from 20 Hz to 200 kHz, but it's wider when we are young. Is it a case of degradation or does the extra ability serve a purpose for infant and children?
- Can you increase how long something glows in the dark for?
- Is there a maximum temperature my microwave oven can heat something up to?
- How can a computer program can prevent the computer from "knowing" its code? (like closed source programs)
- [Mathematics] When you type the symbol for Pi into an equation on your calculator, how many decimal places does it take into account when finding an answer?
- Are new vs old tires (treadwear difference) enough to affect speedometer calibrarion?
- How does a flamethrower prevent the back flow of combustion as it shoots a stream of ignited fuel?
- Is there any substantial evidence that chiropractic care is effective?
- How do babies get prescriptions without being able to communicate with their optometrist?
- Why do people never forget how to ride a bike once they've learned?
- Why do our noses get runny when we cry?
- With nothing but hydrogen and oxygen, how come water isn't flammable?
- Is there an altitude above which the atmosphere is effectively sterile?
- How long do clouds last?
- Can the electromagnetic absorption characteristics of carbon dioxide be accurately modeled?
- Do we know how colliding black holes impart momentum?
- Did the nuclear testing during the Cold War have any effect on the climate?
| Posted: 11 Apr 2016 03:52 AM PDT My understanding is that the horizon is where it appears to be because of the curvature of the Earth, and if the Earth was smaller the horizon would be closer/lower. Obviously on an infinitely-stretching plane the horizon couldn't keep going up, but where is the limit? [link] [comments]  |
| Posted: 10 Apr 2016 05:31 PM PDT |
| Posted: 11 Apr 2016 12:06 AM PDT |
| Can you represent PI in a finite number of digits in any number system? Posted: 10 Apr 2016 07:29 AM PDT From a computer science course I know that you cannot represent the number 1/10 in a binary number system. But you can do it in a decimal number system. Is there a system where you can represent PI in a finite amount of digits? [link] [comments]  |
| How does voyager organize the data it sends us? Posted: 10 Apr 2016 11:16 PM PDT I just came across http://eyes.nasa.gov/dsn/dsn.html, a website that will show the deep space network activity when the DSS 63 antenna started receiving a signal from voyager 1. It got me thinking, does the data transmitted have any resemblance to a modern networking packet? If I could get a hold of that raw stream of data what would I need to do get it into something human readable? I guess the crux of the question is how does voyager structure the data it sends our way? If there are resources can you point me to where I could read? Does NASA or whoever have some sort of source code repository I could look over? [link] [comments]  |
| How do we know we have to sleep eight hours per day? Why not six or ten? Posted: 10 Apr 2016 11:52 PM PDT |
| Posted: 10 Apr 2016 09:48 PM PDT I can assume that we see at our best when we are young and over time, our sight gets worse as our eyes wear out. Is it the same for hearing? Or is there a purposeful reason as to why our hearing is better when we are young (maybe something to do with language acquisition), and then we shed that ability when it is no longer necessary + casual wear out? [link] [comments]  |
| Can you increase how long something glows in the dark for? Posted: 10 Apr 2016 09:39 AM PDT I was wondering if the brightness/intensity of light absorbed by something glow in the dark just contributes to the brightness, or also the amount of time it stays luminous for. Do different colours of light make the glow more intense? [link] [comments]  |
| Is there a maximum temperature my microwave oven can heat something up to? Posted: 10 Apr 2016 11:54 PM PDT |
| Posted: 10 Apr 2016 06:48 PM PDT In non open-source programs, you can't check the source code from the program, but it still executes and runs on the computer. Shouldn't there be a way to know what that code is? From what I understand it works like a blackbox, you feed it input and it gives outputs acording to the code. But how can it prevent me from checking the code? [link] [comments]  |
| Posted: 10 Apr 2016 09:33 PM PDT |
| Are new vs old tires (treadwear difference) enough to affect speedometer calibrarion? Posted: 10 Apr 2016 07:26 AM PDT |
| How does a flamethrower prevent the back flow of combustion as it shoots a stream of ignited fuel? Posted: 10 Apr 2016 01:34 PM PDT In a flamethrower like this as the fuel gets shot out of the barrel, it gets ignited creating stream of fire. I'm assuming the fuel gets ignited after it exits the barrel, cause in the gif, theres no visible flame at the tip of the barrel. But how does the flamethrower prevent the flame from spreading into the barrel and ignite the fuel that's being constantly spewed out? Or if not that, how is combustion of the fumes prevented? [link] [comments]  |
| Is there any substantial evidence that chiropractic care is effective? Posted: 10 Apr 2016 03:47 PM PDT |
| How do babies get prescriptions without being able to communicate with their optometrist? Posted: 10 Apr 2016 04:24 PM PDT |
| Why do people never forget how to ride a bike once they've learned? Posted: 10 Apr 2016 03:23 PM PDT |
| Why do our noses get runny when we cry? Posted: 10 Apr 2016 11:59 PM PDT It happens to me all the time and I have no idea why it does. Is it similar to our noses getting runny when we eat spicy food? [link] [comments]  |
| With nothing but hydrogen and oxygen, how come water isn't flammable? Posted: 10 Apr 2016 10:09 PM PDT |
| Is there an altitude above which the atmosphere is effectively sterile? Posted: 10 Apr 2016 05:24 PM PDT |
| Posted: 10 Apr 2016 07:11 PM PDT There are various types of clouds (stratus, cumulo-nimbus, etc.) Are these more or less perpetual, do they merge, or do they eventually dissipate? [link] [comments]  |
| Can the electromagnetic absorption characteristics of carbon dioxide be accurately modeled? Posted: 10 Apr 2016 10:24 AM PDT To reproduce the absorption spectrum as shown here: [link] [comments]  |
| Do we know how colliding black holes impart momentum? Posted: 11 Apr 2016 12:41 AM PDT When two stellar bodies collide with one another, we know that momentum is imparted to the newly combined body. What do we know about black holes colliding with one another? [link] [comments]  |
| Did the nuclear testing during the Cold War have any effect on the climate? Posted: 10 Apr 2016 05:28 PM PDT I mean...how hot does an H bomb get/make its surrounding environment? Something like the Sun? If only for a moment, we set off some 2050 or so bombs between all of the countries. [link] [comments]  |
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