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Karmela Padavic-Callaghan

40 Articles

US military wants to secure the internet by making it more quantum

Can we add quantumness to the internet to make it more secure?NicoElNino…

It is impossible to build a practical quantum broadcaster

Can we broadcast quantum information?Weiquan Lin/Getty Images Sharing quantum information the same…

Extremely cold atoms defy entropy and refuse to heat up

Some atoms simply refuse to obey entropyShutterstock / Mendin Repeatedly energising a…

Oddly viscous stars could be impersonating black holes

Is that gravitational wave signal coming from a black hole, or something…

Molecule’s tiny quantum jiggle imaged in unprecedented detail

The accelerator tunnel of European XFEL, the facility where the tiny atomic…

Could we get quantum spookiness even without entanglement?

Light particles seem to exhibit quantum weirdness even when they aren’t entangledWLADIMIR…

We may have finally solved an ultra-high-energy cosmic ray puzzle

An artistic rendering based on a real image of the IceCube neutrino…

X-ray boosting fabric could make mammograms less painful

Mammograms can be painful, but they may not need to beDaria Artemenko/Alamy…

Why John Stewart Bell has been haunting quantum mechanics for decades

John Stewart Bell devised a way to measure the strange correlations allowed…

Could we build space-time computers that run on gravity?

Illustration of massive objects warping space-timekoto_feja/Getty Images A mathematical test for the…