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Many questions remain
What is normal or ‘ordinary’ matter? When astronomers talk about normal matter, we’re referring to baryons. By that, we just mean ‘the stuff of atoms’ – things like protons and neutrons. How did we fi
The nature of time is one of the most profound and longstanding problems in physics – one that no one can agree on. From our perspective, time seems to steadily progress forward with each tick of the
© HEADER DRAWINGS BY MICHAEL HADDAD/HEART Neither Eliezer ...
Ten years ago, on 14 September 2015, a new window on the Universe was opened, giving us a novel way of studying exotic, high-energy objects such as black holes and neutron stars: the first direct dete
Just where did all the weird ghosts go is a question that has been posed in Fortean Times. One answer might be Wales. Ghost hunter John Harries declared, “In order to meet a Welsh ghost one really nee
Whose bright Hadea was this?