How to test the twin paradox without using a spaceship
Forget about anti-ageing creams and hair treatments. If you want to stay young, get a fast spaceship. That is what Einstein's Theory of Relativity predicted a century ago, and it is commonly known as "twin ...
Simulating time travel: Doctor Who meets Professor Heisenberg
(Phys.org)—University of Queensland researchers have simulated time travel using light particles. Lead author and PhD student Martin Ringbauer, from UQ's School of Mathematics and Physics, said the study ...
Does light experience time?
Have you ever noticed that time flies when you're having fun? Well, not for light. In fact, photons don't experience any time at all. Here's a mind-bending concept that should shatter your brain into pieces.
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 ...
59,000 generations of bacteria, plus freezer, yield startling results
After 26 years of workdays spent watching bacteria multiply, Richard Lenski has learned a thing or two.
Michigan researchers hunt for Internet remnants from time travelers
West US cave with fossil secrets to be excavated
(AP)—For the first time in three decades, paleontologists are about to revisit one of North America's most remarkable troves of ancient fossils: The bones of tens of thousands of animals piled at the bottom ...
Daylight Saving Time does not save energy
With the switchover to daylight saving time just around the corner, you might wonder why we go to the trouble of springing forward and falling backward every year.
New system could reduce data-transmission delays across server farms by 99.6 percent
Big websites usually maintain their own "data centers," banks of tens or even hundreds of thousands of servers, all passing data back and forth to field users' requests. Like any big, decentralized network, data centers are ...
Wonder material silicene has suicidal tendencies
The semiconductor industry of the future had high expectations of the new material silicene, which shares a lot of similarities with the 'wonder material' graphene. However, researchers of the MESA+ Research ...
Thought experiment proposed to reconcile psychological versus thermodynamic arrows of time
Scientists track quantum errors in real time
(Phys.org) —Scientists at Yale University have demonstrated the ability to track real quantum errors as they occur, a major step in the development of reliable quantum computers. They report their results ...
Former US climate chiefs urge political unity
Four former heads of the US Environmental Protection Agency who served under Republican presidents urged lawmakers Wednesday to stop bickering over whether climate change is real and start finding solutions.