How to think about… Higher dimensions
10 December 2014
Reality could have many more dimensions than the familiar four – physicists have tricks for projecting their minds beyond the ones we perceive
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Found 126 results for Carlo Rovelli
White holes: Hunting the other side of a black hole
16 July 2014
Black holes suck – but do they have mirror twins that blow? A far-flung space telescope is peering into galactic nuclei to spot one for the first time
QBism: Is quantum uncertainty all in the mind?
7 May 2014
The microscopic world described by quantum theory seems a strange, confusing place – but some physicists argue it's just us who are uncertain
Quantum death: How the cosmic speed limit got frozen
26 March 2014
Light speed is no limit in the quantum world – so why can't we exploit that freedom? Perhaps because we're living in the dead husk of a richer cosmos
Fiery black hole debate creates cosmological Wild West
5 February 2014
Bids to solve the black hole firewall paradox are producing a free-for-all in theoretical physics – cue time reversal, walls of ice and bouncing stars
What is the point of a theory of everything?
9 October 2013
History tells us that we will gain from the search for ultimate truth – just not what we expected, says MacGregor Campbell
Why space has exactly three dimensions
25 September 2013
The explanation of one of reality's greatest mysteries could lie in physics we already know
Space vs time: One has to go – but which?
12 June 2013
If we want to progress towards a theory of everything, we need to understand how space and time fit together – if they do at all, says Anil Ananthaswamy
About time: Why does time's arrow fly only one way?
5 October 2011
We can move through space in any direction we like – but time is a strictly one-way street, and physicists still can't tell us why
About time: Countdown to the theory of everything
5 October 2011
General relativity and quantum mechanics explain time in drastically different ways – reconciling them is the key to a theory that will encompass both
