The world really needs a techno-realist manifesto

'It's actually going to be easy to cure ageing and cancer," insists David Sinclair, a researcher on ageing at Harvard University. Similarly, Elon Musk continues to claim that he will soon land humans on Mars and deploy robotaxis en masse. Major corporations have set carbon-neutrality targets based on highly optimistic forecasts about the potential of carbon-removal technologies. And, of course,...