reality

11.22.09

Physicists Calculate Exact Number of Alternate Universes

There are 10^10^16 of them (but #1,000,443,163,313,125,343,132 is the evil one)

By Stuart Fox Posted 10.16.2009 at 9:28 am 32 Comments

For some time, physicists have theorized about the existence of alternate universes. In fact, some models of physics require multiple universes, to explain some rarely observed phenomena. But, other than obvious ones like The Man In The High Castle Universe where the Nazis won WWII, the Earth-295 Age of Apocalypse Universe, and the Terran Empire "Mirror Mirror" Universe, just how many alternate universes are there? Well, some Stanford University physicists have answered that question, and the magic number is: 10^10^16 other realities.

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READ MORE ABOUT > alternate universes, arXiv.org, multiverses, physics, reality, science news, universes

The Smell of War

To improve its virtual-reality simulators, the military wants to incorporate smell. For help, it's turning to Hollywood

By James Vlahos Posted 08.01.2006 at 1:00 am 0 Comments

Hear more about author James Vlahos's experience in the Army's new smell simulator on the PopSci Podcast.

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READ MORE ABOUT > iraq, of, reality, simulator, smell, smell-o-vision, tech, virtual, vision, VR, war

Race Against Reality

You´re pushing 185 mph. The trees to your left have melted into a green blur, the tachometer needle shakes frenetically as it nears the end of its ascent, and the engine is screaming.

Posted 03.29.2005 at 2:00 am 0 Comments

Pulse pounding, you hit the brakes and crank the wheel, but it´s too late: The
car can´t overcome its own momentum, and you slam into the wall at 150. And
then?

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