A new wave equation for light challenges how physics explains the arrow of time
A new wave equation suggests accelerating waves can move only toward positive time, offering a possible microscopic explanation…
Inside the strange physics of why time stops at the speed of light
A clock aboard a fast-moving spacecraft does not break, lag or malfunction. It ticks normally for everyone inside.…
Why Einstein’s theories of relativity make time travel possible
This article is from Proof Positive, our friendly math newsletter that’s delivered to your inbox every Tuesday afternoon.…
Atomic clocks may be powerful enough to detect the quantum fabric of time
Time feels familiar. It marks every moment of daily life, from the ticking of a wall clock to…
Does Time Exist in Two States at Once? Optical Ion Clocks Could Reveal the Quantum Nature of Time, New Research Says
The strange quantum nature of time moves one step closer to being untangled, thanks to new research on…
Physicists Propose Strange Experiment Where Time Goes Quantum
Physicists are beginning to explore whether time itself can behave according to the rules of quantum mechanics rather…
Darkness Can Move Faster Than Light Without Breaking the Laws of Physics
Artistic depiction of the darkness measurement. Image not to scale. Physicists have experimentally confirmed a strange prediction: the…
Physicists propose tweak to Einstein’s relativity that could transform our understanding of the Big Bang
When you buy through links on our articles, Future and its syndication partners may earn a commission. An…
These Pretty Light Cones Actually Represent Einstein’s Theory of Spacetime Relativity
Elliot McGucken These photos of 70-foot-tall light cones shimmering over the Californian desert may look beautiful, but scratch…
New Method Proposed To Detect Universe’s Mysterious “Phantom Heat” Predicted by Einstein
A team in Japan has proposed a clever method to finally detect the mysterious Unruh effect, a predicted…
What Came Before the Big Bang? New Study Says ‘Numerical Relativity’ Could Unlock Cosmology’s Biggest Mysteries
It is one of cosmology’s most perplexing questions: what happened before the Big Bang? Although the question has…