Friday, March 09, 2007

Dang - You Can't Travel Back in Time, Scientists Say: "The urge to hug a departed loved one again or prevent atrocities are among the compelling reasons that keep the notion of time travel alive in the minds of many.

While the idea makes for great fiction, some scientists now say traveling to the past is impossible.

There are a handful of scenarios that theorists have suggested for how one might travel to the past, said Brian Greene, author of the bestseller, “The Elegant Universe” and a physicist at Columbia University.“And almost all of them, if you look at them closely, brush up right at the edge of physics as we understand it. Most of us think that almost all of them can be ruled out.”"


Benjie said...

When somebody (especially scientists) says "impossible" I keep my hopes up.

Cap'n Bob said...

In the early days of trains they said people wouldn't be able to breathe if the trains reached 60 mph.

If I went back I'd scarf up all the collectible books and Marx playsets I could carry.

Benjie said...

How does that go? "If man were intended to fly, he'd have wings!"

Be sure to keep those collectibles in their original packaging, Cap'n.

Brent McKee said...

And they said that man couldn't fly faster than the speed of sound right up to the point when Chuck Yeager did it. History if full people who say something will never happen and never get called on their predictions when it actually does happen.

Anonymous said...

Well, one of the arguable advantages of practical reverse time travel is the ability to perhaps visit the naysayers of the past and laugh in their faces. Just look out for time's revenge (see Fritz Leiber's "Try and Change the Past," among not a few others).