How does radio stations transmit the name of the song currently broadcasted? |
- How does radio stations transmit the name of the song currently broadcasted?
- If you explain 3^2 as three multiplied by itself twice, how do you explain 3^-1 using the same language convention?
- How are inertial confinement fusion reactors fueled?
- Shouldn't time dilation be symmetric so that earth observers see an astronaut's 'clock' as running slower and vice versa? Why then, would the astronaut come back as younger if the effect is symmetrical?
- Does most oceanic life live close to the coast?
- When does a bullet reach its maximum velocity?
- How can some filters/membranes be permeable to liquid but not permeable to gas who's particles are no where near the MCOW?
- How do organisms that reproduce offspring asexually determine when to reproduce?
- With the advancements in technology in recent years, why does it seem that radio signals and the strength of signals have appeared to stay the same?
- Does the heat produced by combustion engines have an effect on Earth's temperature?
- Why Radar systems need wide bandwidth? Is it because of the resolution?
- What chemical reactions are behind DNA replication?
- Is the false vacuum theory a common theory in the scientific world ?
- Is there any substitute to the Hohmann transfer?
- Why doesn't Raoult's Law depend on the chemical nature of solute?
- Why does the polynomial x^5 - x + 1 = 0 have no exact solution?
- Does receptor downregulation change depending on the frequency of doses?
- Is it possible to make a database where the owner cannot modify information on it?
- How did Descartes' and Fermat's Analytical Geometry help the development of Newton's and Leibniz's Calculus?
- How does crossing over "cleanse" chromosomes of mutations?
| How does radio stations transmit the name of the song currently broadcasted? Posted: 24 Nov 2016 08:21 AM PST Just noticed that my car audio system displays the name of the FM radio station, the song being played and its genre. The song/singer name updated when the song changes. How is this being broadcasted? Radio waves can include this information also? EDIT: Thanks for all the answers! Learnt something new :) [link] [comments]  |
| Posted: 24 Nov 2016 07:32 PM PST E.g 32 = 3 x 3 31 = 3 31 = 1/3 As in, you can explain positive powers by saying the base multiplied by itself x number of times. But how do you explain negative exponents in the same way? Can you even? 3-2 isn't 3 x itself negative 2 times, it's just 1/32. How do you explain this using language? Source: A friend asked me this, had no idea. [link] [comments]  |
| How are inertial confinement fusion reactors fueled? Posted: 25 Nov 2016 03:34 AM PST I saw this comment from u/tminus7700 in a previous r/askreddit post:
I tried to research further, but I didn't find anything on Google with the keywords "Inertial confinement fusion machine gun". If you want to use an inertial confinement reactor efficiently you want a method to refuel it without depressurising the reactor chamber to place the pellet. Anyone willing to provide further information? Thanks [link] [comments]  |
| Posted: 25 Nov 2016 02:49 AM PST Just learning special relativity for the first time in class, and I don't really get this. [link] [comments]  |
| Does most oceanic life live close to the coast? Posted: 24 Nov 2016 10:01 AM PST What does the distribution of biomass in the ocean look like? [link] [comments]  |
| When does a bullet reach its maximum velocity? Posted: 24 Nov 2016 03:29 PM PST I was wasting my time on youtube watching gun videos and this got me thinking. The bullet has to reach Vmax from standstill in some time, then is slows down due to air drag. It should be somewhere in the barrell, but is there a way to know when and where? Also is this related to the force the gun kicks back with? [link] [comments]  |
| Posted: 24 Nov 2016 08:54 AM PST |
| How do organisms that reproduce offspring asexually determine when to reproduce? Posted: 24 Nov 2016 02:07 PM PST |
| Posted: 24 Nov 2016 06:51 PM PST I ask this because when I drive the truck for my work I listen to the radio, but when I get into the city it seems that the strength of the signal weakens and when I go in the tunnels it vanishes. This happens to all but two stations and most of the stations are within 10-25 miles to the city. Is it cause the city can cause the signals to weaken? Or do other stations using similar frequencies that can cause this to happen? Or is it a combination of things? [link] [comments]  |
| Does the heat produced by combustion engines have an effect on Earth's temperature? Posted: 24 Nov 2016 07:44 PM PST Over Thanksgiving dinner my father and I were discussing climate change and the topic of heat generation came up. His argument is that since fossil fuels are essentially stored thermal energy, burning them is releasing that energy. A quick calculation says that all the cars in America produce enough heat each year to raise Lake Michigan's temperature by one degree Fahrenheit. So that energy has to go somewhere. I think he's missing something since we only hear about the effects of the chemical waste of engines and not the thermal waste. [link] [comments]  |
| Why Radar systems need wide bandwidth? Is it because of the resolution? Posted: 24 Nov 2016 05:10 PM PST |
| What chemical reactions are behind DNA replication? Posted: 24 Nov 2016 05:17 PM PST So I found this GIF and I was wondering what causes these things to move in an orderly fashion [link] [comments]  |
| Is the false vacuum theory a common theory in the scientific world ? Posted: 24 Nov 2016 12:59 PM PST So today I learned of the existence of this theory, and from what I understood, in a very simple version it basically says that our universe as we perceive it is similar to a bubble and can suddenly burst at any moment, right ? Is this a widespread theory ? If so, what are the things blocking scientists to make advances to prove it, and if not, what are the things that "discredit" it ? [link] [comments]  |
| Is there any substitute to the Hohmann transfer? Posted: 24 Nov 2016 02:54 PM PST If there is one, how is it called and how does it work then? [link] [comments]  |
| Why doesn't Raoult's Law depend on the chemical nature of solute? Posted: 24 Nov 2016 11:15 AM PST According to Raoult's Law, dissolving a solute into a solvent decreases the saturation vapor pressure. Being a colligative property, it doesn't matter what the chemical nature of the solute is, only how much there is. However we know that things like melting point and saturation vapor pressure (and by extension boiling point) depend on the strength of intermolecular forces. We say that a compound with stronger intermolecular forces has a lower saturation vapor pressure (i.e., is less volatile). My Question: If the solute being added to the solution causes there to be stronger intermolecular interactions, wouldn't this cause a lowering in saturation vapor pressure? If so, then the claim that Raoult's Law doesn't depend on the chemical nature of the solute is untrue. Can someone help me untangle this? TLDR: If saturation vapor pressure is defined by strength of intermolecular forces, why does dissolving a solute into a solvent lower saturation vapor pressure regardless of its chemical properties when we know for a fact that different solutes have different strengths of intermolecular forces with the solvent? [link] [comments]  |
| Why does the polynomial x^5 - x + 1 = 0 have no exact solution? Posted: 24 Nov 2016 10:07 AM PST I just saw this old Vihart video that mentioned the fact that this polynomial only has an approximate solution, not an exact one. However, when I rearrange the equation into x4 - 1 = -1/x and graph the two individual functions (you can use this online graphing calculator to see), the "approximate" solution of -1.167... is where these two functions cross. Since they are both continuous, differentiable, and cross at this point, why is this only an approximate solution? [link] [comments]  |
| Does receptor downregulation change depending on the frequency of doses? Posted: 24 Nov 2016 11:20 AM PST In receptors that get downregulated through agonist application (I understand not all receptors do this). Does giving 6 days 100 mMol (for example) produce the same effect as day 1+ 4 300 mMol. If it doesn't, do we know why? -Dagl [link] [comments]  |
| Is it possible to make a database where the owner cannot modify information on it? Posted: 24 Nov 2016 02:55 PM PST Recent events piqued my curiosity as to if it's possible to encrypt something so as to prevent someone from manipulating the contents in a predictable manner, while still being able to create new content and view it. Is this possible to do at all? Is it practical to do for your average website, like Reddit? [link] [comments]  |
| Posted: 24 Nov 2016 06:43 AM PST |
| How does crossing over "cleanse" chromosomes of mutations? Posted: 24 Nov 2016 09:46 AM PST This (really) neat article on white-throated sparrow genetics mentions that mutations accumulate when crossing over does not occur. I'm a little rusty on my molecular bio/genetics and was wondering if someone could enlighten me on how crossing over gets rid of mutations. Thanks. [link] [comments]  |
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