Sunday, September 04, 2005

Dark matter

Ever wondered if there was someone sitting next to you and you did not even know. We live in a three-dimensional world where every visual object is represented by an X, Y and Z coordinate. There have also been arguments on a fourth coordinate "time", based on which your other three coordinates can change.

Have you ever wondered why only three coordinates? Does the theory of an n dimensional universe hold water? We the humans are on the ever-growing lookout for aliens, organisms from other worlds. Are we looking in the right direction? What if we cannot sense them? They could be living right with us but on a different dimension. This has been beautifully explained in Michael Crichton's Sphere, one of my all time favorite books.


Recently, some astrophysicists have discovered up to 6 dimensions. They are basing this claim on the fact that there is some invisible dark matter that is having a gravitational affect on stars. 85% of the mass of the universe accounts for this dark matter. This invisible dark matter could be something visible on a different dimension. More on the article here.

11 comments:

joe said...
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///slash\\\ said...

N-dimensional space!!!
Man, i have trouble keeping track of the three already. Some people can never be satisfied can they.

tt_giant said...

There is a famous example in AI called the "hyper apple". Seems that as the dimensions increase, the 99.999% of the volume of the apple would be on the peel!. Crazy!!..

In my algorithms class (MS), the professor tried to draw a 4 dimensional cube to explain some concept. I still cannot get the concept or the cube!.

Siva said...

Hey Mamu!!

Even those folks who discovered the sixth dimension, are sceptical about it's existence...

But for all i care... What difference would it make to my life? I am clueless...

Hmm...The Sphere was a good book...The movie was good too...

I ain't that great a fan of Michael Crichton. Somehow, reading his books or even Harry Potter, i believe they would make good movie material, than reading material!

LoTR is what i call Great reading material.

Good reading material is The Hindu!

What do ye say ??

KB said...

Interesting !!!
and Humans think they know all ..

PH said...

I am reading this book about a planet "Yargo" not in our solar system!

It's kind of strange, what could be going on! You never know!

tt_giant said...

Sorry to hijack ur post man. I have tagged you. Check out my post for more details.

Maverick said...

slash: hope ur delhi trip was good..read about it in D-bugs blog..sen seems to have spooked out from ur debate ;) ya this dimension thing mite as well be somebody's fantasy!

tt_giant: I am still in the blue about tagging..Do I need to post in the seven things in my blog??
hyper apple! wow..it wont be that much fun eating just the peel..some professors live to confuse their students ;)

Maverick said...

siva mamu: yeah the world would have still gone on even if albert einstein hadnt been born! BTW the movie Sphere is on my all time sucks list but the book is on the other end of the sphere :) Aint I a great poet!!

Maverick said...

kb: hope ur new job is funky and fun :) hope to hear abt it frm you.
The supposedly all knowing human is the most ignorant of all. Does "georgie", the omnipotent ring a bell?

ph: Yargo..wow! nice name for a sci-fi thriller..will try to get my hands on it sometime.

harvey3 said...

ebooks and software all a big merry go round ebooks what a wonderful world we live in today great stuff mind food !!