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An artist’s impression of a stellar-mass black hole. photo courtesy: NASA/JPL-Caltech/Robert Hurt

Black holes: Gravity is the key

9 min read . 13 Jan 2018
Over several years, Douglas Hofstadter made what he calls ‘a series of leapfrogging analogies that led me from one empirical discovery to another to another’.

Butterfly on the wall

4 min read . 10 Mar 2017
Big Data in all its forms failed to accurately predict Donald Trump’s victory in the US presidential race. Photo: AFP

Dive in and go with the flow

4 min read . 15 Nov 2016
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