Weak gravitational lensing and weak arguments

Bending of light by dark matter is a vital observational tool in cosmology. So if you are going to use cosmology to accuse financial institutions of a “blind faith in maths”, you might at least google it first.

At The Guardian.

About Jon Butterworth

UCL Physics prof, works on LHC, writes (books, Cosmic Shambles and elsewhere). Citizen of England, UK, Europe & Nowhere, apparently.
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