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'Quantum ATM' rules out fraudulent web purchases

7 November 2007

A "quantum key" passed from the ATM to a cellphone could make it impossible for someone to use your credit card to make fraudulent transactions online

'Half-quantum' cryptography promises total security

17 October 2007

Sharing an encryption key securely is possible even if one party remains firmly rooted in the world of classical physics

The second quantum revolution

20 June 2007

To track down a theory of everything, we might have to accept that the universe only exists when we're looking at it

Noise keeps spooks out of the loop

23 May 2007

A novel method of encrypting messages is proposed that uses the natural thermal noise created by resistors

Curiosity doesn't have to kill the quantum cat

9 May 2007

A landmark experiment hopes to bring Schrödinger's cat back from the brink of death – it could rewrite our understanding of reality

The elephant and the event horizon

25 October 2006

What happens when you throw an elephant into a black hole? The answer may shake the foundations of what we thought we knew about space and time, says Amanda Gefter

The word: Rindler particles

28 September 2005

Black holes, but not as we know them

19 January 2005

They may be the most fearsome objects in the universe, swallowing everything in their path, but J R Minkel says black holes are misunderstood

Quantum tricks that read your thoughts

1 December 2004

The weird world of quantum entanglement This could change the way the world does business, says Mark Buchanan

Quantum decoys create uncrackable code

10 November 2004

A breakthrough in quantum cryptography has brought uncrackable codes a step closer