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Newsflash: Time May Not Exist

Deadly Sushi

The One, The Only, Sushi
SUPER Site Supporter
No one keeps track of time better than Ferenc Krausz. In his lab at the Max Planck Institute of Quantum Optics in Garching, Germany, he has clocked the shortest time intervals ever observed. Krausz uses ultraviolet laser pulses to track the absurdly brief quantum leaps of electrons within atoms. The events he probes last for about 100 attoseconds, or 100 quintillionths of a second. For a little perspective, 100 attoseconds is to one second as a second is to 300 million years.

But even Krausz works far from the frontier of time. There is a temporal realm called the Planck scale, where even attoseconds drag by like eons. It marks the edge of known physics, a region where distances and intervals are so short that the very concepts of time and space start to break down. Planck time—the smallest unit of time that has any physical meaning—is 10-43 second, less than a trillionth of a trillionth of an attosecond. Beyond that? Tempus incognito. At least for now.
Efforts to understand time below the Planck scale have led to an exceedingly strange juncture in physics. The problem, in brief, is that time may not exist at the most fundamental level of physical reality. If so, then what is time? And why is it so obviously and tyrannically omnipresent in our own experience? “The meaning of time has become terribly problematic in contemporary physics,” says Simon Saunders, a philosopher of physics at the University of Oxford. “The situation is so uncomfortable that by far the best thing to do is declare oneself an agnostic.”

continued: http://discovermagazine.com/2007/jun/in-no-time
 

California

Charter Member
Site Supporter
It's simple:

Time is the only reason everything doesn't happen all at once.


Pass the pipe, bro.
 

Bobcat

Je Suis Charlie Hebdo
GOLD Site Supporter
It's simple:

Time is the only reason everything doesn't happen all at once.


Pass the pipe, bro.

Wow, that would be a trip, man. :cool:

Or maybe, like, nothing would happen at all. Then like, how would you know, man, you know?
 

California

Charter Member
Site Supporter
Another scientist recently published that there is no known reason why time has to run in one direction. Within the realm of theoretical physics, it could run either way. (I'm serious.) Maybe the Big Bang is a continual expansion/contraction phenomenon.

I can't quite get my head around that one.
 

Sir Knight

New member
Another scientist recently published that there is no known reason why time has to run in one direction. Within the realm of theoretical physics, it could run either way. (I'm serious.) Maybe the Big Bang is a continual expansion/contraction phenomenon.

I can't quite get my head around that one.
Sounds like this "scientist" was smoking some of those funny cigarettes.
 

Sir Knight

New member
There is a temporal realm called the Planck scale, where even attoseconds drag by like eons. It marks the edge of known physics, a region where distances and intervals are so short that the very concepts of time and space start to break down. Planck time—the smallest unit of time that has any physical meaning—is 10-43 second, less than a trillionth of a trillionth of an attosecond. Beyond that? Tempus incognito. At least for now.
Efforts to understand time below the Planck scale have led to an exceedingly strange juncture in physics. The problem, in brief, is that time may not exist at the most fundamental level of physical reality. If so, then what is time?
Time is the measure of motion. If there is no motion at a given interval or there is no way to measure that motion at that interval, then there is no time at that interval. It's really a very simple concept.
 
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