Time travel experiment demonstrates how to avoid the grandfather paradox (Update)
Scientists find evidence for 'chronesthesia,' or mental time travel
Scientist proves Braess paradox 'disappears' under high traffic demands
Time travel theory avoids grandfather paradox
Michigan researchers hunt for Internet remnants from time travelers
Time warp: Researchers show possibility of cloning quantum information from the past
(Phys.org) —Popular television shows such as "Doctor Who" have brought the idea of time travel into the vernacular of popular culture. But problem of time travel is even more complicated than one might think. LSU's Mark ...
Resurrecting ancient proteins, team finds just two mutations set stage for evolution of modern hormone signaling
Evolution, it seems, sometimes jumps instead of crawls. A research team led by a University of Chicago scientist has discovered two key mutations that sparked a hormonal revolution 500 million years ago.
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 ...
Is truth stranger than fiction? Yes, especially for science fiction
From warp drives to hyperspace, science fiction has continuously borrowed from, and sometimes anticipated, the state of the art in scientific progress. This has resulted in the perception that science and ...
In search of time travelers
(Phys.org) —It started over a poker game. Astrophysicist Robert Nemiroff and his students were playing cards (for chips) last summer, chatting about Facebook. They wondered: If there were time travelers ...
Upgraded urban travel 'could save $70 trillion by 2050'
Urban planners must re-invent city transportation systems to save up to $70 trillion globally in the next 37 years, a study said on Wednesday citing the examples of Belgrade, Seoul and New York City.
High-speed rail study finds that remote cities benefit from connection to global hubs
(Phys.org) —Bullet trains fuel real-estate booms, improve quality of life and create other unintended consequences by sharply reducing commute times from smaller cities to large megacities, economists from ...
Planners for hypersonic SpaceLiner craft propose a 50 year timeline
Cellphone, GPS data suggest new strategy for alleviating traffic tie-ups
Researchers from MIT and UC Berkeley tracked traffic in Boston and San Francisco with cell tower and GPS data and analyzed bottlenecks. Their computer analysis suggested a possible strategy for relieving ...