Useless facts on time, light, gravity, relativity

[mykroft]

Tom: great explanation, I tend to split hairs a bit too much.

Lord Vader: correct, I misunderstood your definition of gravity in space, as above I tend to split hairs on this type of subject.

Funnily enough, I'm a 24 year old ex classics major, who shuffles packets for a living, but physics is a love, just don't want to do it for a living, I get wierd when I do to much calculus.

[Miscue]

Tachyons are one of those theoretical particles where it travels faster than light, but cannot go slower.

Bah... this stuff isn't worth writing about in highschool/college... although it is fun to read about. This stuff is so complicated when it comes down to it, all you can understand is a dummyized form of it, you are pretty much limited to repeating what you read and pretend to understand it... with nothing to add to it. You wouldn't be writing an essay so much as a book report. Heck, a 7th grader could do a good job of absorbing this and writing about it no worse than anyone else with no formal theoretical physics background. In fact I know of such a person who did a good job writing about this in the 7th grade...

A little side tracked... I was watching Discovery (I LOVE this station, it's about all I watch anymore) at 3AM this morning, on Supervolcanoes... which are a number of magnitudes more powerful than anything we've ever seen... can drop the earth's temperature by several degrees and result in volcanic winter... worldwide crop destruction. Some amazing stuff. We've never observed one, but there was a supervolcanic eruption approximately 27,000 years ago. They say that this event coincides with the bottleneck observed in human mitochondrial DNA... wherein human DNA is so similar to each other, there had to have been a castastrophic event approx 25-30,000 years ago to have wiped the human population down to just thousands.

Yellowstone won't be such a popular tourist attraction some day...

------------------
'Sacrifice the Body'
68 PF - HyperFrame - 68 Flatline - SS BigShot

Miscue's Profile


[This message has been edited by Miscue (edited 07-10-2001).]

[Major Ho]

Wow, even Mr.Kaye answered. All fasicinating information that I feel I cant add my two cents into. But...If I spin around really fast I see stars and feel gravity dropping me like a rock.

------------------
"Alright, no one look until I get my cork back in!"- Ham, Toy Story 2, one of the greatest movies ever made

[nastymag]

wow! this is great i feel like i just learned somthing. very good to read this stuff every once and a while i wish i could add something. get into history and i can.
yeah discovery is the best channel.
learn stuff while having fun
just like this

------------------
in the biggining god created two gun and he said thuo automag shall be for the just and fair and the autococker for the evil and cheaters.

[rictus]

I remember learning in science class that light was made up of small particles called Photons (not protons by the way).

[magking1971]

tachyons? I have a tachyon my dash
Discovery and learning channel is the best!

[Phyre]

Just so everyone knows, what you were taught in school may not be correct with the science community now. Neutrino fabled to be massless is bs. There's a study performed in canada in conjunction with other physicist around the world that proved that neutrino's have mass. I'm eventually going to get a degree that involves physics and it's just annoying seeing so much misleading information being spreaded. I'm glad AGD clarified and is pretty much on top of the physics matter. Remember, most of the stuff you hear in science is usually just a theory and you really should do the experiments and understand the reasoning. Alot of people thought the world was flat at one point but I hope everyone knows the world is round now. Science is just an evolving explanation for how things work and at any given time is not the absolute answer.

[AGD]

UP

AGD

[automagkid]

<font face="Verdana, Helvetica, sans-serif" size="2">Originally posted by MagMan5446:
lol, I just finished the 7th.

About the light slowing down over time, since light is massless, would there be any effects of friction? And where can I find out about this aussie guy.

</font>

i only finished the 8th grade also, i doesnt mean you are ignorant, well some 8th graders are, but other than that there actually are intilectual teenagers, contridicting popular belief.

[rt_81]

im reminded of something someone once said on here. "i like the idea that my paintball gun was designed by a rocket scientist." me too.

i think you all are forgeting one important thing, and the best way to identify that would be to go to the video store, rent a copy of back to the future one thru three, watch them, and report your findings back here to the forums.

RT

[Drizit]

light IS composed of particles called photons all though the mass of a photon is 0 as it is for the Gluon and Graviton. the interesting thing about photons is they always move at the same speed, even relative to a moving observer. if you were to chase after a photon at 1/2 the speed of light it would still move away form you at 670 million mp/h, the same speed it would move away form you if you were standing still. it's a strange thing to have as a constant. The reason that time appears to slow for a moving object from the point of view of a stationary one, is because when you add up an objects velocity in the 3 dimensions of space and the 1 dimension of time then they must always equal the speed of light. so if an object is moving on the X axis and stationary on both Y and Z axis then that velocity must be deducted form it's movement in the time dimension. there fore slowing down time from our point of view. however form the moving object's point of view time has sped up for everything else and is progressing normally for it. (man do I love this stuff)
Also the mass of the three types of neutrinos in multiples of the proton mass are:
Electron-neutrino - < 10<font size="-3">-8</font size="-3">
Muon-neutrino - < .0003
Tau-neutrino < .033

and yes I did just grab that mass table from a book, and no I don't really understand it. however take out most of the numbers and both special and general relativity make sense. providing of course you don't try to think about quantum mechanics at the same time. (it makes my head pound, and to think I do this for fun.) the thing I'm reading about now is Super string theory it may bring the two together but at the moment I haven't finished the book yet so I don't really understand it. however form what I do understand at the moment string theory states that all particles are composed of tiny (and I mean really small about the Planck length or 1.616x 10<font size="-3">-33</font size="-3"> centimeters) one dimensional string loops that vibrate at different frequencies causing different amounts of mass and energy. also from what I can tell you can say goodbye to your 4 dimensional universe, it's time for bigger and better we're moving on up to 11 dimensions now (no I haven't read that part yet it was on the jacket)
the book is called "The Elegant Universe" by Brian Green, published by Vintage Books. it's very well written and as soon as I finish it I'll be even better informed then I am now (I guess that's the point though)

one fun little thing about the universe.
it stands to reason that there are an infinite number of planets in the universe, simply because there is an infinite amount of room for them to exist in. however not all of them are inhabited. and as any number divided by infinity is so close to nothing as to be 0, then the average population of the universe is nothing, any anyone you should happen to meat is just a figment of your deranged imagination. (paraphrased form "The Hitch Hiker's Guide To The Galaxy"

(I couldn't figure out the html tag for an exponent so when you see this 10<font size="-3">-8</font size="-3"> that's what it is)

------------------
MicroMag Phase 1
S/N GFX001489
Custom ring trigger
MaxFlow 68/3000

There must have been a time
when we could have said no.

[This message has been edited by Drizit (edited 07-10-2001).]

[Miscue]

I've noticed some strange ideas on what it means to orbit. Think of it as a continuous fall towards Earth... but you keep missing.

------------------
'Sacrifice the Body'
68 PF - HyperFrame - 68 Flatline - SS BigShot

Miscue's Profile

[MagMan5446]

<font face="Verdana, Helvetica, sans-serif" size="2">Originally posted by Miscue:
I've noticed some strange ideas on what it means to orbit. Think of it as a continuous fall towards Earth... but you keep missing.

</font>

An orbit is caused by an object going in circles around something with more mass than itself. Therefore the orbiting object will always be moving a constant distance towards the object with more mass.

In a different subject (sort of) it is believed by some scientists that our galaxy is orbiting around a black hole(cygnus x-1 i think) that is located in the center. In theory, eventually this galaxy will be...gone

------------------
I'm your dream, make you real
I'm your eyes when you must steal
I'm your pain when you can't feel
Sad but true

I'm your dream,
mind astray
I'm your eyes while you're away
I'm your pain
while you repay
you know it's
sad but true

-MetallicA

[This message has been edited by MagMan5446 (edited 07-11-2001).]

[Magsrule3]

Ummm.....yah......the.....ummm.... Alright I admit it! I didnt understand one word coming out your mouths. Jeez I just finished the 8th grade.

------------------
-68 Classic Automag
-SP Proggresive barrel
-Lapco drop forward
-PMI gas through
-12 volt revolution
-Crossfire 68CI 3K Stubby
-Microline fittings

[Wild_Osiris]

This was never really my department of science but I have always had a fondness for space and theories. Probably because I can think of theories for myself and no one can really prove them wrong right away. I guess this is another hobby of mine while sitting home and watching the stars.
Anyways I have also wondered why Time is the 4th dimenison. I am dimenison is a name that we created. There are 3 usable dimenisons right now. (height, Width, length)Well it just a term we use, and since we made this term why not incorprate useful things in it. Rather then just using things like time and space as 4th dimenisons. I think a dimenisons order (1st 2nd 3rd ect) should be something the human mind can comprehend in order. (like easy to most difficult). Well here goes I think Gravity should be considered the 4th dimenison or perhaps, mass. Think about it. With Mass, or gravity plus the other three. We could probably determine weight, and something that cant be determined right now shape. Heck If I know its material(or maybe I dont even need to know that ) I can tell its shape with the other three,( because I would already have its size) and I can tell how gravity is reacting on it.(I'd probably need to know its strength as well though)oh well its just a thought.
K here is just a few questions Does light have mass? If so how can Einsteins theory be correct, since light is the only thing that travels at light speed, It would have infinte mass, and keep getting bigger, cause its has reached that speed. (to infinity and beyond!)
K does fire have Weight, if so how do u calculate that?
Do all energy forms have weight in the most natural forum? (aka fire and light)
What is anti-matter what is its weight?
I think before we answer some questions we must look at the foundations. U cant hope to answer things with a shot in the dark, u have to know something about it.
For humans to progress into the theories of gravity, we need to look at something simular ; magnets. They both for the same equation. I thought of a little experiment U know jinga blocks, right? Well what if u glued 3 blocks together for a base, then put a magnet on top (a flat one that goes across all three fits nearly square perfect) ( this is the foundation) then do the same thing to three other blocks with a magnet on the bottom but put magnets on the sides (around the egdes of the blocks). Then Plant magnets along the edge of the foundation going (standing) to the top 3 blocks that have magnets of same poles around there edges. The idea is for the top to float with no support but the magnets strength. Now for this to be truely successfull, I would like to know if the bottom foundation is realived of weight from the top because of the magnets? But something that might happen is the top could spin always looks for that opposite pole. (the basic principle of an electric engine)(neat uh). Guess what that means Magnets are a viable ever lasting enegry source. Much like gravity. or if it doesnt spin it could be use to making higher buildings less strain on foundations. Well what do u think?

------------------
In any game you play you need to be aggressive,decsive and have speed.