Physics
Water waves travel back in time to retrace their ripples
Researchers have discovered that jolting waves can send them rippling back to where they came from like a movie in reverse
News
Physics
Time for more 2016: leap second will be added to year’s end
News
Physics
You can touch the heart of physics without doing the hard bits
Features
Mind
Physics killed free will and time’s flow. We need them back
Features
Physics
That’s odd: Quantum entanglement mangles space and time
Features
Earth
Earth’s core is two-and-a-half years younger than its crust
News
Humans
Past, present, future: How do we deal with time?
Culture
Physics
Time might flow backwards as well as forwards from the big bang
News
Physics
Can burping black holes reveal the true fabric of the universe?
Features
Physics
Back to the Future: Does physics of Marty’s time travel add up?
Today is 21 October 2015 鈥� the date Marty McFly and Doc Brown travel to in Back to the Future Part II. Can we reconcile the films with reality?
News
Physics
Why do we move forwards in time?
Features
Physics
What came before the big bang?
Features
Physics
What if 鈥� We discover we can see the future?
Features
New 女生小视频’s best summer reading
Culture