SpaceX

Life among the world’s biggest risk-takers

The Italian actuary Bruno de Finetti, writing in 1931, was explicit: ‘Probability does not exist.’ Probability, it’s true, is simply the measure of an observer’s uncertainty; and in The Art of Uncertainty, the British statistician David Spiegelhalter explains how this extraordinary and much-derided science has evolved to the point where it is even able to say useful things about why matters have turned out the way they have, based purely on present evidence. Spiegelhalter was a member of the Statistical Expert Group of the 2018 UK Infected Blood Inquiry, and you know his book’s a winner the moment he tells you that between 650 and 3,320 people nationwide died from

Britain needs to join the new space race

Elon Musk’s Starship is the biggest rocket ever built. Sending it into space is hard; bringing it back to Earth, in a fit state to be reused, is even harder. The rocket booster, having just carried a craft into space, must not be allowed to crash into the Atlantic and sink to the seabed. Instead, in order for it to be swiftly relaunched, it must fall vertically – back onto a launchpad. But as the rocket approaches touchdown, its engines have to fire towards Earth in order to slow its descent. And the colossal heat and force generated by these engines is enough to cause severe damage to the launchpad