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TEMUBUAL USTAZ ROHIDZIR RAIS BERSAMA DATO DR MAHMOOD ZUHDI TENTANG HUKUM ASB

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TEMUBUAL USTAZ ROHIDZIR RAIS BERSAMA DATO DR MAHMOOD ZUHDI TENTANG HUKUM ASB
(PART 2)

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ISNIN, 8 SEPTEMBER 2008


CREATING THE BIG BANG







CERN FIRES UP NEW ATOM SMASHER TO NEAR BIG BANG



By ALEXANDER G. HIGGINS, Associated Press Writer Sun Sep 7, 2:52 PM ET

GENEVA - It has

been called an Alice in Wonderland investigation into the makeup of the universe
— or dangerous tampering with nature that could spell

doomsday.



the case, the most powerful atom-smasher ever built comes online Wednesday,
eagerly anticipated by scientists worldwide who have awaited this moment for two
decades.

The multibillion-dollar Large Hadron Collider will exp

lore the tiniest particles and come ever closer to re-enacting the big bang, the
theory that a colossal explosion created the universe.

The machine at CERN, the European Organization for Nuclear Research, promises
scientists a closer look at the makeup of matter, filling in gaps in knowledge
or possibly reshaping theories.

The first beams of protons will be fired around the 17-mile tunnel to test the
controlling strength of the world's largest superconducting magnets. It will
still be about a month before beams traveling in opposite directions are b

rought together in collisions that some skeptics fear could create micro "bl

ack holes"

and endanger the planet.




The project has attracted researchers of 80 nationalities, some 1,200 of them
from the United States, which contributed $531 million of the project's price
tag of nearly $4 billion.

"This only happens once a generation," said Katie Yurkewicz, spokeswoman for the
U.S. contingent at the CERN project. "People are certainly very excited."

The collider at Fermilab outside Chicago could beat CERN to some discoveries,
but the Geneva equipment, generating seven times more energy than Fermilab, will
give it big advantages.

The CERN collider is designed to push the proton beam close to the speed of
light, whizzing 11,000 times a second around the tunnel 150 to 500 feet under
the bucolic countryside on the French-Swiss border.

Once the beam is successfully fired counterclockwise, a clockwise test will
follow. Then the scientists will aim the beams at each other so that protons
collide, shattering into fragments and releasing energy under the gaze of
detectors filling cathedral-sized caverns at points along the tunnel.

CERN dismisses the risk of micro black holes, subatomic versions of collapsed
stars whose gravity is so strong they can suck in planets and other stars.

But the skeptics have filed suit in U.S. District Court in Hawaii and in the
European Court of Human Rights to stop the project. They unsuccessfully mounted
a similar action in 1999 to block the Relativistic Heavy Ion Collider at the
Brookhaven National Laboratory in New York state.

CERN's collider has been under construction since 2003, financed mostly by its
20 European member states. The United States and Japan are major contributors
with observer status in CERN.

Scientists started colliding subatomic particles decades ago. As the machines
grew more powerful, the experiments revealed that protons and neutrons —
previously thought to be the smallest components of an atom — were made of still
smaller quarks and gluons.

CERN hopes to recreate conditions in the laboratory a split-second after the big
bang, teaching them more about "dark matter," antimatter and possibly hidden
dimensions of space and time.

Meanwhile, scientists have found innovative ways to explain the concept in
layman's terms.

The team working on one of the four major installations in the tunnel — the
ALICE, or "A Large Ion Collider Experiment" — produced a comic book featuring
Carlo the physicist and a girl called Alice to explain the machine's
investigation of matter a split second after the Big Bang.

"We create mini Big Bangs by bumping two nuclei into each other," Carlo explains
to Alice, who has just followed a rabbit down one of the hole-like shafts at
CERN.

"This releases an enormous amount of energy that liberates thousands of quarks
and gluons normally imprisoned inside the nucleus. Quarks and gluons then form a
kind of thick soup that we call the quark-gluon plasma."

The soup cools quickly and the quarks and gluons stick together to form protons
and neutrons, the building blocks of matter.

That will enable scientists to look for still missing pieces to the puzzle — or
lead to the formulation of a new theory on the makeup of matter.

Kate McAlpine, 23, a Michigan State University graduate at CERN, has produced
the Large Hadron Rap, a video clip that has attracted more than a million views
on YouTube.

"The things that it discovers will rock you in the head," McAlpine raps as she
dances in the tunnel and caverns.

CERN spokesman James Gillies said the lyrics are "absolutely scientifically spot
on."

"It's quite brilliant," Gillies said.

___

On the Net:

CERN: http://www.cern.ch

Fermi National Accelerator Laboratory: http://www.fnal.gov

The U.S. at the LHC: http://www.uslhc.us/

Large Hadron Rap: http://www.youtube.com/watch?vf6aU-wFSqt0





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KHAMIS, 4 SEPTEMBER 2008


SELAMAT MENJULANG RAMADHAN












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