News tagged with time travel
Time travel experiment demonstrates how to avoid the grandfather paradox (Update)
(PhysOrg.com) -- Among the many intriguing concepts in Einstein’s relativity theories is the idea of closed timelike curves (CTCs), which are paths in spacetime that return to their starting points. As ...
Mar 01, 2011 |
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Big Bang simulated in metamaterial shows time travel is impossible
(PhysOrg.com) -- By observing the way that light moves inside a metamaterial, researchers have reconstructed how spacetime has expanded since the Big Bang. The results provide a better understanding of why ...
Apr 13, 2011 |
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Scientists find evidence for 'chronesthesia,' or mental time travel
(PhysOrg.com) -- The ability to remember the past and imagine the future can significantly affect a person's decisions in life. Scientists refer to the brain’s ability to think about the past, present, ...
Medicine & Health / Neuroscience
Dec 22, 2010 |
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Scientist proves Braess paradox 'disappears' under high traffic demands
(PhysOrg.com) -- In an urban area with a lot of traffic, adding a new road to distribute the traffic may seem like a sensible idea. But according to the Braess paradox, just the opposite occurs: a new route ...
Sep 14, 2010 |
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Time travel theory avoids grandfather paradox
(PhysOrg.com) -- The possibility of going back in time only to kill your ancestors and prevent your own birth has posed a serious problem for potential time travelers, not even considering the technical details ...
Jul 21, 2010 |
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Large Hadron Collider could be world's first time machine
(PhysOrg.com) -- If the latest theory of Tom Weiler and Chui Man Ho is right, the Large Hadron Collider – the world's largest atom smasher that started regular operation last year – could be the ...
Mar 15, 2011 |
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Google tries new approach with real time traffic estimates for Google Maps
(PhysOrg.com) -- It used to be when using Google Maps to plan your route, i.e. driving from one destination to another, Google Maps would also try to give you an estimate for how long it would really take ...
Apr 02, 2012 |
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Razing Seattle's viaduct doesn't guarantee nightmare commutes, model says
Debate about how to replace Seattle's deteriorating waterfront highway has centered on uncertainties in the project's price tag. Drilling a deep-bore tunnel and building an underground highway is estimated ...
Technology / Computer Sciences
May 10, 2011 |
2 / 5 (2) |
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Light speed
The recent news of neutrinos moving faster than light might have got everyone thinking about warp drive and all that, but really there is no need to imagine something that can move faster than 300,000 kilometres ...
Oct 10, 2011 |
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Time travel? Maybe
Imagine that you're a science-fiction writer on a tight schedule. You'd like to play in the vast expanses of the universe, but you have too much scientific integrity to conjure up a warp drive or a DeLorean out of thin air. ...
May 11, 2010 |
3.3 / 5 (35) |
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Moving through time
Although we can't technically travel through time (yet), when we think of the past or the future we engage in a sort of mental time travel. This uniquely human ability to psychologically travel through time arguably sets ...
Medicine & Health / Psychology & Psychiatry
Jan 21, 2010 |
3.3 / 5 (11) |
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FTL neutrinos (or not)
The recent news from the Oscillation Project with Emulsion-tRacking Apparatus (OPERA) neutrino experiment, that neutrinos have been clocked travelling faster than light, made the headlines over the last week ...
Oct 03, 2011 |
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Airborne prayers problem solved for tech-savvy Muslims
As a frequent flier and devout Muslim, businessman Abdalhamid Evans always comes up against the same challenge in the air: when to say his prayers.
Apr 06, 2012 |
3 / 5 (6) |
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Scientists reveal where growing conditions today mirror future climates
With climate change posing a threat to food production around the world, scientists are developing a form of virtual time travel that can offer farmers in many countries a glimpse of their future by identifying regions where ...
Dec 08, 2011 |
3.7 / 5 (3) |
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Travel time of rail passengers is increasingly well spent
What do rail travellers do with their time on the move? How worthwhile do they consider this time to be? How do they equip themselves for using their time and do they plan in advance how to get the most out ...
Jul 28, 2011 |
5 / 5 (1) |
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