Physics
Time cloak hides events by splicing them movie style
Data pulses can be hidden in gaps in a light beam, erasing any record of their presence and potentially allowing secret messages to be sent without a trace
News
Physics
It’s time physics recognised that time is real
Opinion
Humans
The self: You think you live in the present?
Features
Humans
The self: What are we to do?
Features
Humans
A computer cosmos will never explain quantum physics
Opinion
Beating heart of a quantum time machine exposed
Regulars
Physics
First real time-travel movies are loopers
News
Physics
2012 review: The year in the physical sciences
News
Physics
‘The idea we live in a simulation isn’t science fiction’
Opinion
Physics
Space-time waves may be hiding in dead star pulses
The first direct detection of gravitational waves may happen in 2013, if new studies of pulsars affected by galaxy mergers are correct
News
Physics
Theory of everything says universe is a transformer
News
Humans
Brain circuits run their own clocks
News
Physics
Photon reaches from beyond the grave in quantum trick
News
Technology
Flickering lights help smartphones keep time
News