Science facts!

[Rivaan]

This is a thread for just posting little tidbits about science. If you have something to say that's not large enough for it's own topic, you can say it here.

I'll start off with this random science fact:

What's heavier - a pound of feathers or a pound of gold?

If you said they weight the same, you'd be wrong I'm afraid. If you said gold is heavier, you'd also be wrong. The correct answer is, in fact: a pound of feathers weighs more than a pound of gold. The reason for this is as follows:

A pound of feathers is 16 ounces, however precious metals are weighed using the Troy weight system, where one pound is equal to only 12 ounces - not 16.

So a pound of feathers (16oz) is 4 ounces heavier than a pound of gold (12oz), since they use different weight systems to measure.

http://en.wikipedia.org/wiki/Troy_weight

I'll post more, and feel free to post your own too. :)

[FERGUS_MANERGUS]

scientists estamated that the force from the big bang was equal to about 1 CNrhk (Chuck Norris round house kick)

[noodles]

Fergus, please keep sarcasm off the science & technology board. There's simply no reason for it.

To stay on topic, did you know that Pluto is no longer considered a major planet?

[Iconoclast]

The color of an object (ex. apple) is the color of the light it reflects. White light consists of red, yellow, and blue light. The apple reflects MOSTLY red light, but absorbs blue light because apples are never blue.

Whether the atom of an object absorbs or reflects the component color rays of white light depends on the amount of energy the atom has. If the atom has the right amount of energy, the component, whether red, yellow, or blue light, can be absorbed. If not, it can be absorbed, but not held, and therefore reflected.

I like color science the most.

[FERGUS_MANERGUS]

Fergus, please keep sarcasm off the science & technology board. There's simply no reason for it.

To stay on topic, did you know that Pluto is no longer considered a major planet?

u serious? dang, never knew that, wait if its not a major planet, then what kinda planet are we gona call it

[chaos master]

Pluto is now called a dwarf planet. k?
Astronomy is my favorite science, atm.

[fiReBirD]

I would call Pluto either a cartoon character or a far off ateroid... even though they've agreed on calling it a dwarfplanet because it's too small to be a "real" planet

[FERGUS_MANERGUS]

it seems mroe like a chunk o ice to me

[fiReBirD]

It's a gigantic rock...!! a comet is made of ice...

[noodles]

We've called Pluto a planet for a while now, I just don't understand why we suddenly change that.

[FERGUS_MANERGUS]

i just dont understand why anybody cares

[fiReBirD]

Because Pluto has been one of the biggest discoveries in a century

[FERGUS_MANERGUS]

oh yeah, i forgot, or did i?

did u know that people loose aprox. 50,000 out of the 13 bil. brain cells they have per day?

seriously, did anybody here really know that

[fiReBirD]

so... 10 tons of meteorites crashes into Earth each year..

[pizzaman]

Did you know! That there is a certain spot in your neck that can kill you if you apply pressure?

There are also several major arteries that when cut will kill you!( Because of all the blood loss. )

[pizzaman]

so... 10 tons of meteorites crashes into Earth each year..
The chaces that you get hit with a meteoroid is one in six thousand. I know I heard that somewhere before, but I don't remember where.

The most likely number to roll with two dice is seven.

[fiReBirD]

The chaces that you get hit with a meteoroid is one in six thousand. I know I heard that somewhere before, but I don't remember where.
That would be in one hour.... It's the most likely thing to give us a headache...

[pizzaman]

That would be in one hour.... It's the most likely thing to give us a headache...
Lol, well I'm not sure if it means that 1/6000 people get hit, or 1/6000 meteoroid hit people. It's most likey the second one, because I don't know anybody who got hit with a meteoroid. :/

[fiReBirD]

Everyone gets hit by a meteroid... but the bits are so small that theyre almost invisible... most of them burns up in the atmosphere causing "shooting stars"... But some make it to the earth eventually hitting us in the head... It's their speed that gives us a headache when we get hit... Although it's not the only way to get a headache...

[Rivaan]

Something is defined as a planet, if it follows 3 rules:

1. The object orbits the Sun.
2. The gravity of the object makes it a round shape, due to it's large size.
3. The object has "cleared the neighbourhood" of it's orbit (from any other objects).

Pluto fails the definition with the 3rd rule. It lies amongst the Kuiper belt, which is the reason why Pluto isn't a planet. Here's a picture of some of the ohter objects there. I don't know all the details myself though.

http://upload.wikimedia.org/wikipedia/commons/thumb/1/1d/Transneptuneobjects.jpg/750px-Transneptuneobjects.jpg

And here's a link to the page of the image, just in case the it doesn't show:

http://en.wikipedia.org/wiki/Image:Transneptuneobjects.jpg

[Kameo]

Fact: If U look to the left, U can't see anything on the right :p ....

[FERGUS_MANERGUS]

and if u look right u cant see anything to the left

[noodles]

Fact: The speed of smell is not very fast at all.

[pizzaman]

Fact: The speed of smell is not very fast at all.
Now I have a question. The speed of sound is around the 700 mph, right? So if we are going at 1000 mph, which is about how fast the Earth rotates, shouldn't it be 1700 mph on a completely still planet?

[Rivaan]

I tried to answer your question.. I wrote a lot.. but I have come to a conclusion. Sound moves at 700mph across a surface. It just so happens that that surface is moving at 1,000mph, so it accumulates to 1,700mph. This is relative to distance travelled in space; on earth, it would have only gone 700 miles in one hour, but to an observer outside of the planet, it would have travelled through a space of 1,700 miles.

Ugh.. I hope that was understandable. Basically, it depends at what perspective you view the distance. Distance on earth (from one point on the Earth to another point, it would take an hour for it to travel 700 miles). Or distance in space (looking at something starting at one point in space and being 1700 miles away from it's starting point in an hour).

If that doesn't explain it, then I can't help :o

Thanks for the question :D It was quite fun thinking that over.

[pizzaman]

Lol, I think I got it. I thought I understood 100%, but that last part confused me.

So if a planet moves 500 mph, then the sound barrier would break at about 1200 mph, right? If the sound barrier = S and the speed of a surface = X, then S = X + 700?

[noodles]

I tried to answer your question.. I wrote a lot.. but I have come to a conclusion. Sound moves at 700mph across a surface. It just so happens that that surface is moving at 1,000mph, so it accumulates to 1,700mph. This is relative to distance travelled in space; on earth, it would have only gone 700 miles in one hour, but to an observer outside of the planet, it would have travelled through a space of 1,700 miles.

Ugh.. I hope that was understandable. Basically, it depends at what perspective you view the distance. Distance on earth (from one point on the Earth to another point, it would take an hour for it to travel 700 miles). Or distance in space (looking at something starting at one point in space and being 1700 miles away from it's starting point in an hour).

If that doesn't explain it, then I can't help :o

Thanks for the question :D It was quite fun thinking that over.

That makes my head hurt.

[Rivaan]

Essentially yes, it would go 1200mph (if you were observing from the outside, not from the surface point of view as then it would just go at the sound barrier). But you would need to take other things into account. Depending on the atmospheric pressure and components/constitution of the air, the speed of sound may not be 700mph. If it doesn't have an atmosphere, there is no sound and no speed of sound lol.

[pizzaman]

Essentially yes, it would go 1200mph (if you were observing from the outside, not from the surface point of view as then it would just go at the sound barrier). But you would need to take other things into account. Depending on the atmospheric pressure and components/constitution of the air, the speed of sound may not be 700mph. If it doesn't have an atmosphere, there is no sound and no speed of sound lol.
Lol, okay, I get it. Oh and does anybody know what mach stands for? I mean is there some kind of equasion that can solve how much is 1.7 mach or something like that?

[noodles]

Stop hurting my brain.

I've only heard "mach" in two instances. One was on some thing about NASA on television, the other was in the name of some shaving razor product.

[pizzaman]

Stop hurting my brain.

I've only heard "mach" in two instances. One was on some thing about NASA on television, the other was in the name of some shaving razor product.
Lol, mach is a measurement of speed. Like mph is how many miles you can go in one hour. D * T = mph.

[noodles]

Why do we have so many measurements for everything? It makes my brain hurt worse wondering that.

[Rivaan]

Lol! Mach speed is the speed of an object, relative to the speed of sound ;) Mach 1.7 is 1.7 x the speed of sound. Here are some equations.

Subsonic: Ma < 1 (Less than Mach 1)
Sonic*: Ma = 1 (Mach 1)
Transonic: 0.8 < Ma < 1.2 (Mach 0.9 - 1.1)
Supersonic: 1.2 < Ma < 5 (Mach 1.3 - 4.9)
Hypersonic: Ma > 5 (Greater than Mach 5)

*sonic is the speed of sound.

[noodles]

Is that why Sonic is named what he is?

[Rivaan]

Stop hurting my brain.

I've only heard "mach" in two instances. One was on some thing about NASA on television, the other was in the name of some shaving razor product.

I use a Gillette M3 (Mach 3) razor ;)

[noodles]

That's what I was talking about.

[Rivaan]

Is that why Sonic is named what he is?

Well he actually goes faster than Mach 1. The explosion from the Sonic boom (the loud sound when the sound barrier is broken) is what turned him blue.

[FERGUS_MANERGUS]

mach=1000mph

[noodles]

Measurements make me mad now. So many of them are just too complicated.

[pizzaman]

mach=1000mph
Well Rivaan's definition of mach confused me, but then mach 5 would be 5000mph?

[chaos master]

Well he actually goes faster than Mach 1. The explosion from the Sonic boom (the loud sound when the sound barrier is broken) is what turned him blue.

I heard that he was involved in an explosion in a cobalt cave or something. Or possibly he was born like that...? Probably the latter. Well, now we know how they named Sonic's forms.

I do not think shaving at 3000mph would be comfortable, nor survivable, for that matter.

[noodles]

Yeah, pretty much, CM.

[Rivaan]

Well Rivaan's definition of mach confused me, but then mach 5 would be 5000mph?

Reading over my previous post about it, I can see how it's confusing. I'm sometimes not that good at explaining things. Well in simpler terms, Mach 1 = the speed of sound. Mach 2 is twice the speed of sound. Mach 5 would be 5 times the speed of sound.

My little equation thing earlier just tells you what to name that mach. Like Mach 6 is "hypersonic speed". Or Mach 3 is "supersonic speed". In that same way, Mach 1 is "sonic speed". I hope that's clearer :)

[pizzaman]

Oh, okay. I understand. :D

Does anybody here know how much the fastest jet goes?

I know that the fastest car, as of now, goes 0-60 mph( 0-100 kph ) in 2.5 seconds. That's hella fast, and it beat the Macleron F1, which held the previous record of 0-60 mph( 0-100 kph ) in 3.2 seconds.

[pizzaman]

Its speed is probably than I can count to. I know that much.

I'll look it up...
The highest number I counted to, that I can remember, is 512. It was when I was counting sheeps; I fell asleep after that. I did, however, sing 100 bottles of beer on the wall. :D

[BlueDragonMan]

Fact: If U look to the left, U can't see anything on the right :p ....

and if u look right u cant see anything to the left

Actually this isnt completely true. Simply because of the fact that no matter what direction you look you can see both left and right of the direction your facing to some degree. It's called periphial vision. Plus what do you mean by looking right/left? You mean turning your head or eyes? Because turning the eyes cuts off periphrial vision more than turning your head would, thus making the statement truer, but still not completely true.

[Rivaan]

I don't think I could count that high. Right now, anyways.

If Mach 6 is hypersonic speed, what would Mach 7 be? Ubersonic speed?

Lol, any Mach greater than 5 is hypersonic speed - even Mach 7. :p

[pizzaman]

I saw once, in a movie, that if you go fast enuogh, you can go through things. Because your molecules are moving so fast.

[DarthBrady]

I saw once, in a movie, that if you go fast enuogh, you can go through things. Because your molecules are moving so fast.

We watched a film in science class back in high school, about tornadoes. It showed a single blade of grass go straight through a 8 inch thick cement wall!!
Apparently, no matter what the mass of an object is, if there is enough speed/velocity, you are right, an object can pass through a more dense object. But it did leave hole, its not like some super-sonic teleport or anything :p

[FERGUS_MANERGUS]

We watched a film in science class back in high school, about tornadoes. It showed a single blade of grass go straight through a 8 inch thick cement wall!!
Apparently, no matter what the mass of an object is, if there is enough speed/velocity, you are right, an object can pass through a more dense object. But it did leave hole, its not like some super-sonic teleport or anything :p

no, it split the wall a bit and the grass happened to get stuck in there

[pizzaman]

We watched a film in science class back in high school, about tornadoes. It showed a single blade of grass go straight through a 8 inch thick cement wall!!
Apparently, no matter what the mass of an object is, if there is enough speed/velocity, you are right, an object can pass through a more dense object. But it did leave hole, its not like some super-sonic teleport or anything :p
Oh, I see. Well I guess if you're going fast enough, anything will collapse, Lol.

[pizzaman]

What would happen if you went through a flame at that speed and velocity?
Nothing. You wouldn't catch on fire because you don't have enough time to heat up to that point. But the fire would probably "cease to exist". Because the air moving around you would be so fast, that it would cover the fire, sufficating it.

[chaos master]

What would happen if you went through a flame at that speed and velocity?

The flame would be blown out? Lolz, no clue.

[BlueDragonMan]

We watched a film in science class back in high school, about tornadoes. It showed a single blade of grass go straight through a 8 inch thick cement wall!!
Apparently, no matter what the mass of an object is, if there is enough speed/velocity, you are right, an object can pass through a more dense object. But it did leave hole, its not like some super-sonic teleport or anything :p

I wonder, if someone went through an object like that is there the possibility that if they have enough speed/velocity they will pass through the object unharmed?

[pizzaman]

I wonder, if someone went through an object like that is there the possibility that if they have enough speed/velocity they will pass through the object unharmed?
If by unharmed you mean exploded into a million tiny pieces, then yes. :D

[BlueDragonMan]

If by unharmed you mean exploded into a million tiny pieces, then yes. :D

Why would they explode? I'm not talking about going as fast as the blade of grass I mean is there a speed/velocity at wich one can pass through an object and be unharmed since you have so momentum already built up the object would basically just dissappear or dissolve or something.

[pizzaman]

Why would they explode? I'm not talking about going as fast as the blade of grass I mean is there a speed/velocity at wich one can pass through an object and be unharmed since you have so momentum already built up the object would basically just dissappear or dissolve or something.
That's what I've wondered, but I don't think it's been proven yet. I mean unless people could find a way to go as fast as light, I don't see a chance in anyone finding out. Although there is a theory that if you go fast enough, you can go through things. Like a ghost. Woooo... scary....

[dark_spirt93]

If u think of sound, u can hear sound even through a wall. but sound is a vibration travelling on a media, not an object. so i think its not possible to move through an object unless there was a way to move the atoms away from the object u want to pass through, kinda like air. (?)

[pizzaman]

Black holes absorb light. Because the force of the black hole pulls in objects faster than the speed of light, causing light to bend into it. Black holes are made when a supernova occurs and the exploded star turns into a neutron star. The neutron star is so dense that it collapses into itself, causing a black hole( In theory, any object can form a black hole if it is dense enough. ). Black holes absorb any kind of matter and expand while doing so. Eventually the universe will be one big black hole.

[chaos master]

Eventually the universe will be one big black hole.

Wow. Sounds fun.

[Crazed Dragon]

Black holes absorb light. Because the force of the black hole pulls in objects faster than the speed of light, causing light to bend into it. Black holes are made when a supernova occurs and the exploded star turns into a neutron star. The neutron star is so dense that it collapses into itself, causing a black hole( In theory, any object can form a black hole if it is dense enough. ). Black holes absorb any kind of matter and expand while doing so. Eventually the universe will be one big black hole.umm...if i remember correctly, a black hole is only one posiblity that will happen to a neutron star, but I can't remember the other posibities

[Iconoclast]

I heard this funny question once. If you were flying in space in a rocket with the radio on at maximum volume, if you were going at a speed faster than the speed of sound, would you be able to hear the sound from the radio? That just sounds like a funny question.

Currently, we're studying force in Physical Science class. He already covered a million times that F = ma, or force = mass * acceleration. The one thing I hate about all of my teachers is ignorance. My science teacher just uses a bunch of division and subtraction with large numbers and calls it a REALLY complicated math problem. That ain't nothing compared to the math I learned last year. I hate math ignorance and computer ignorance. Teachers are always ignorant on the subjects they don't teach, and they act like only the subject(s) they teach are the only ones that matter in life.

[pizzaman]

Currently, we're studying force in Physical Science class. He already covered a million times that F = ma, or force = mass * acceleration. The one thing I hate about all of my teachers is ignorance. My science teacher just uses a bunch of division and subtraction with large numbers and calls it a REALLY complicated math problem. That ain't nothing compared to the math I learned last year. I hate math ignorance and computer ignorance. Teachers are always ignorant on the subjects they don't teach, and they act like only the subject(s) they teach are the only ones that matter in life.
Yeah, I know what you mean. My Geography teacher is teaching us about the Cold War and is giving out such a load of bull**** that it's not even funny. For one, he said that America won the war, when in fact it is not an actual war. Second, he said that the was was with Russia and the USA, when in fact it contained several countries. The war, however was mainly with the USA and the Solviet Union. But anyways, my math teacher is pretty smart. We're doing indirect proofs right now.

And to be back on the subject, IDK if neutron stars can turn in anything other than black holes, but I'll check that out.

[DarthBrady]

Actually it's "Soviet".

And when did you become the coolrom spellchecker?

you will notice that you signature is also spelled incorrectly. and you may also notice that this post you made is spam, and will be deleted.

Please stop spamming our beloved forums.

[DarthBrady]

no way....

thats a word!?

[MOGHARR]

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It is the chemical name of the protein part of the tobacco mosaic virus

Tryptophan synthetase A protien

1,913-letter enzyme with 267 amino acids.

C1289 H2051 N343 O375 S8 is the chemical formula

It is the longest offical word found in any language, including science terms and chemical terms

imagine having that in a spelling bee! this isnt spam is it? is so, sorry!

[Kit]

Here's a bit of fruit fun factage.

The term "berry" is used to describe a fruit with it's seeds inside the fruit itself, and not the common mistake of it meaning "small fruit". Now lets look at some fruits with the word "berry" in their names.

Gooseberry.
A gooseberry has it's seeds inside the fruit. It is a berry.

Strawberry.
A strawberry has it's seeds on the surface of the fruit. (Small yellow dots) So it is therefore not a berry.

Blackberry/Raspberry.
(I've put Blackberry/Raspberry because the fruit is the same, regardless of colour and taste.) These fruits are small bunches of fruit. The seeds are in between these fruits, but not in the druits themselves. It is therefore not a berry.

Now lets look at some non-berry berries.

Apple.
An apple's seeds are it's pips, which are inside the fruit. It is a berry.

Banana.
A banana's seeds are in the centre of the fruit. It is a berry.

Citrus fruits. (Orange, Lemon etc)
The seeds of these fruits are inside the fruit too. They are berries.

Just some berry related facts for this thread.

Oh, and this is biology for those who think fruit isn't science.

[d.209]

Banana.
A banana's seeds are in the centre of the fruit. It is a berry.



No Way! Never thought of a bananna as a berry before.:shocked:

[recab2]

guitars are considered electric, not because they use electric amplification, but because they actually generate electricity. pickups are made with magnets, which, when the string (which is attracted to magnets) vibrates across them, produces an electric charge. this charge is only a signal, with so little power it cannot be deteced by humans. the amplifier receives this signal, and then using AC outlet power, increases, and if the amplifier has EQ, effects, etc, enhances tihs signal. then, the speakers in the amplifier vibrate with exactly the sime frequency as the string being played. tihs is also why acoustic guitars require a battery to plug into an amplifier, as they do not have pickups to produce the electricity needed to create a signal.

[mudlord]

The reason why chocolate is toxic to some animals is because they are unable to metabolise theobromine (a alkaloid compound). Also this same chemical is a stimulant that creates the mood-elevation effects that are associated with chocolate in humans..

[Stroh]

Here's a bit of fruit fun factage.

The term "berry" is used to describe a fruit with it's seeds inside the fruit itself, and not the common mistake of it meaning "small fruit". Now lets look at some fruits with the word "berry" in their names.

Gooseberry.
A gooseberry has it's seeds inside the fruit. It is a berry.

Strawberry.
A strawberry has it's seeds on the surface of the fruit. (Small yellow dots) So it is therefore not a berry.

Blackberry/Raspberry.
(I've put Blackberry/Raspberry because the fruit is the same, regardless of colour and taste.) These fruits are small bunches of fruit. The seeds are in between these fruits, but not in the druits themselves. It is therefore not a berry.

Now lets look at some non-berry berries.

Apple.
An apple's seeds are it's pips, which are inside the fruit. It is a berry.

Banana.
A banana's seeds are in the centre of the fruit. It is a berry.

Citrus fruits. (Orange, Lemon etc)
The seeds of these fruits are inside the fruit too. They are berries.

Just some berry related facts for this thread.

Oh, and this is biology for those who think fruit isn't science.


Bananas have seeds?
The center of it?
Didn't know that...

[Klendathu]

The typical banana that you eat does not contain seeds.

[Kristaps513]

The typical banana that you eat does not contain seeds.

It doesn't have seeds, maybe some organic modified version, if u ment as growing seed - it grows at palm banana trees. http://www.iheartpaws.com/forums/images/smilies/Bananejump.gif

[dark_spirt93]

Most people think the shadow of earth and the moons phases have something in common. Actually its quite opposite. when the moon is behind the earth, its a full moon and when the earth is behind the moon its a New moon. When the moon is 90 degrees to the earth, its a Quarter moon. The reason being is that the moon (as with as any object bathed in light) has half of the light on it at any one time. From the position from Earth, we see half of the half of light on the moon, Thus a Quarter moon.

[chaos master]

Now this is just me...but I believe the sound of one hand clapping is air swooshing. Clap one of your hands by your ear and you'll hear it.
I AM A GENIUS.

[MOGHARR]

i disagree. its more of a "wuu"

[Carlrt]

Now this is just me...but I believe the sound of one hand clapping is air swooshing. Clap one of your hands by your ear and you'll hear it.
I AM A GENIUS.

no no, your 'special' very....very 'special'

[MOGHARR]

that joke is sooooooooooo old man.

[Carlrt]

WoW, your really smart 0_o

[ridley]

black people dont pwn!

[DarthBrady]

black people dont pwn!

.......:shocked:

[MOGHARR]

WoW, your really smart 0_o

yeah, i am as a matter of fact.

[Carlrt]

yeah, i am as a matter of fact.


i really dont think so if you cant detect sarcasm

[MOGHARR]

i win
HAHAHAHAHAAAAAAAAAAAA
in your FACE

[Carlrt]

reeeeeeaaaaaaalllllllllllyyyyyyy mature dude!

[Tage187]

man discovered the whell an built the eiffel tower from metal an braun, a woman has half the brain a man has - its science!

[Pouso-G]

To stay on topic, did you know that Pluto is no longer considered a major planet?

I knew it! It is because it has no atmosphere nor gravity. It is just a very big rock with some frosted gases on the surface.

I think this discussion is running off topic! Oh, speaking of gases...

A turbo just adds more air to a motor causing a higher temperature for burning the gas. So be careful if you are tuning your cars turbo. The more intake pressure you got, the higher temperatures you have to handle with! Try an air-intake-cooler instead. It compresses the intake air by cooling it.
1°C will add about 3% of power to the engine. A small cooler can cool down the air by nearly 4 to 5°C. What means if you got a 75hp engine you could bring it up to around 90hp. It worked on my '2001 Ford Fiesta 1.8 TDDi (Festiva in the US) without any problem. By the way it is the engine from the '98 Ford Focus 1.8 TDDi wich has a cooler. I don't know why the Fiesta doesn't have... In a perfomance test it had just 8°C more than the standard engine temperature when running on high rpm (4200 :D It's a diesel!) for about 30 minutes.
The turbo diesel engines have been a revolution in the car market around 1995. When you had a 2.0 engine with around 70hp, they overworked the prints to make them working with turbos to get around 100hp out of the same engine without having a big amount of extra gas used.

There are two systems of turbos:
1. The exhaust managed system - The more revolutions -> the more exhausts -> the more compression the turbo does. This is the most common system in car before 2002. You can't tune them up by electronics, because they don't have none. To tweak this up you would need to do an exchange to a bigger turbo. (Not recommended, as mentioned before)
2. The electronic managed system - The more gas -> the more compression. (This is made easy for explaining only, because it is way more complicated.) This is the system used in the newer cars up to date. You have the experince in this cars to have a big acceleration boost driving these around 2200 rpm (diesel) or 3000-4000 rpm. These system can be tuned using an ECU, that is mostly just an replacement motor controlling chip. You can also use a bigger air intake cooler here instead.

This is physics. Not just posing: "I got a turbo in my Fiesta!"

[Agent Smith]

Fact: The sun uses nuclear fusion to sustain itself.
Fact: Core
The core of the Sun is considered to extend from the center to about 0.2 solar radii. It has a density of up to 150,000 kg/m3 (150 times the density of water on Earth) and a temperature of close to 13,600,000 kelvins (by contrast, the surface of the Sun is close to 5,785 kelvins (1/2350th of the core)). Through most of the Sun's life, energy is produced by nuclear fusion through a series of steps called the p-p (proton-proton) chain; this process converts hydrogen into helium. The core is the only location in the Sun that produces an appreciable amount of heat via fusion: the rest of the star is heated by energy that is transferred outward from the core. All of the energy produced by fusion in the core must travel through many successive layers to the solar photosphere before it escapes into space as sunlight or kinetic energy of particles.

About 3.4×1038 protons (hydrogen nuclei) are converted into helium nuclei every second (out of about ~8.9×1056 total amount of free protons in Sun), releasing energy at the matter-energy conversion rate of 4.26 million tonnes per second, 383 yottawatts (383×1024 W) or 9.15×1010 megatons of TNT per second. This corresponds to extremely low rate of energy production in the Sun's core - about 0.3 μW/cm³, or about 6 μW/kg. For comparison, ordinary candela produces heat at the rate 1 W/cm³, and human body - at the rate 1.2 W/kg. Use of plasma with similar parameters as solar interior plasma for energy production on Earth is completely impractical - as even modest 1 GW fusion power plant would require about 170 billion tonnes of plasma occupying almost one cubic mile. Thus all terrestrial fusion reactors require much higher plasma temperatures than those in Sun's interior to be viable.

The rate of nuclear fusion depends strongly on density (and particularly on temperature), so the fusion rate in the core is in a self-correcting equilibrium: a slightly higher rate of fusion would cause the core to heat up more and expand slightly against the weight of the outer layers, reducing the fusion rate and correcting the perturbation; and a slightly lower rate would cause the core to cool and shrink slightly, increasing the fusion rate and again reverting it to its present level.

[headspin]

We can only see about 4% of our universe. About 22% is thought to be composed of dark matter (matter that does not produce or reflect light, only visible by its gravitational effects). The remaining 74% is thought to consist of dark energy (hypothetical form of energy responsible for the expanding and increased acceleration of our universe)

Hope this changes your perspective of whats "really" out there

[DarkWizard_PitchBlackX]

Bulimia can damage your voice, digestive track, and rot through the enamel on your teeth. So there's a good reason to eat babies.:D

[Winston]

Making gold out of lead is very possible. Simply Remove or add electrons out of the lead until it is equal with gold, remove any outer rings on the electron or add if needed, and it should take on the properties of gold.

Technically, this means, any substance can be made. Cool. Not sure if someone already mentioned this but I was to lazy to look through all of the pages on the thread.

[kaosdeity]

Making gold out of lead is very possible. Simply Remove or add electrons out of the lead until it is equal with gold, remove any outer rings on the electron or add if needed, and it should take on the properties of gold.

Technically, this means, any substance can be made. Cool. Not sure if someone already mentioned this but I was to lazy to look through all of the pages on the thread.

I have heard of this. Unfortunately, I do not believe we have come far enough technologically to do so. Or have we?

[Winston]

If we have, my house and plate im eating off of right now would be made of gold. Or Titanium. Haha

[Fierce Deity]

We have come far enough to do this, and it's how we've synthetically created elements such as unilienium and such. However, the time and energy it takes to do this is far more expensive than any gold we could reap from it.

Just start planting alfalfa. ;)

[Wicked_Will]

Well, I wonder if you guys knew this much about Nikola Tesla.

Nikola Tesla (Serbian scientist) the greatest genius since Leonardo da Vinci. Few people even know that man who invented the 20th century even existed. His ideas and inventions were credited by others. Nikola invented X-rays (credited to Roentgen), radio (credited to Marconi), the microwave oven, speedometer, automobile ignition system, basics behind radar, fluorescent bulb, electron microscope, neon lights and on top of all Tesla designed the first hydro-electric power plant in Niagara Falls (invented alternating currents). Tesla had biggest competitor Thomas Edison, who did everything to prove Tesla wrong and to erase him from history books. Tesla\'s ideas were so extreme that scientist community thought he was lunatic. He believed that both voice and image could be transmitted through the air (in the late 1800\'s), which of course was true since we have wireless Internet today.

[ericm7]

Once you get close enough to a black hole, you cannot escape it, no matter what. Somebody looking at you from outside would see you falling into the black hole forever, even long after you were dead.

[tatsuya1221]

Once you get close enough to a black hole, you cannot escape it, no matter what. Somebody looking at you from outside would see you falling into the black hole forever, even long after you were dead.

Sadly, their's a glitch in that statement, and why did you bump a 9 month dead thread?