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
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Premium
Found 115 results for alice bob
Bob in Rindler space
16 November 2005
Now you see them...
19 October 2005
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
Worrying about up
27 October 2004
Which way is up?
1 October 2004
The quantum world is there to exploit. But before we truly harness its power, there's one small problem to solve
Twisting the light away
11 June 2004
A novel trick with light has got physicists in a spin. Pitch your photon like a corkscrewing curveball and you can push bandwidth through the roof, flummox eavesdroppers and perhaps even talk to aliens.
