What Does Time Travel Look Like? »
Posted By Eagle_Eye 5 months, 1 week ago in Science & Technology
The answer depends, of course, on your perspective, NASA astrophysicist Alex Antunes writes at ScientificBlogging. It's different for a Hollywood director vs. a physicist, for example.
In a story and a pair of videos starring other smart scientists [below], we've explore whether time travel is possible and what the known physical limitations are.
Antunes, meanwhile, digs right into some cool possibilities: "If time travel involves a direct, instantaneous shortcut from 'now' to 'then,' then time travel is exceedingly abrupt. First you're here, then you're there," he writes. "If time travel uses a door, portal, or wormhole, then you see whatever the door, portal, or wormhole passes through."
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Eagle_Eye
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calitennflo5 months ago
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Astrophysics (Greek: Astro - meaning "star", and Greek: physis – ????? - meaning "nature") is the branch of astronomy that deals with the physics of the universe, including the physical properties (luminosity, density, temperature, and chemical composition) of celestial objects such as galaxies, stars, planets, exoplanets, and the interstellar medium, as well as their interactions. The study of cosmology is theoretical astrophysics at scales much larger than the size of particular gravitationally-bound objects in the universe.
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http://en.wikipedia.org/wiki/Astrophysics
Interesting that someone from Nasa is interested in time travel, yet he should know, it takes all of us to do this, and what surrounds us at this moment is preventing us, as we are not suitable to travel time...we are not physically or phychically able to equal what surrounds us...Nature. -
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frctm55 months ago
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If I could travel back in time, I'd want to see how they built the pyramids; see whether Jesus really did walk on water or what really killed off the dinosaurs. I wouldn't want to change history, just witness it and put to rest all the controversies that are the source of so much debate today.
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According to Zen Buddhist, however, the past is not real and neither is the future, there is only the eternity of now. Both past and future are abstractions of the mind. Yet most of our mental energy is spent thinking of the past and the future rather than living in the present.
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