Physics
Time can move both forwards and backwards at the quantum scale
Physicists use mathematical assumptions in many situations that forbid time from moving backwards 鈥� but that isn鈥檛 necessarily a reflection of quantum reality
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Humans
Ancient humans understood the future and the past pretty much as we do
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91色情片
How the covid-19 pandemic distorted our experience of time
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Mathematics
This mathematical trick lets you work out the weekday of any date
Regulars
Physics
Physicists in 2024 searched the quantum realm for the truth about time
News
Physics
The wild physics that could actually be used to build a time machine
Features
Physics
These are the most mind-melting physics discoveries of 2024
News
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How bad is modern life for our body clocks 鈥� and what can we do?
Culture
Physics
How the most precise clock ever could change our view of the cosmos
Features
Physics
Time travel sci-fi novel is a rip-roaringly good thought experiment
An ordinary-looking valley has a secret 鈥� each of its neighbours is 20 years removed in time. Scott Alexander Howard's debut is heartfelt and deeply enjoyable, says Emily H. Wilson
Culture
Physics
You can turn any random sequence of events into a clock
News
Space
Time ticks faster on the moon by 57 microseconds per Earth day
News
Physics
How physics is helping us to explain why time always moves forwards
News
Physics
How materials that rewind light can test physics’ most extreme ideas
Features