Tech billionaires trying to live for ever? That’s a waste of time, says physicist

Exclusive: Prof Jim Al-Khalili says he will offer solution to ‘arrow of time’ problem in Royal Institution lectures Tech billionaires attempting to live for ever are, quite literally, wasting their time, a leading physicist has said. While some normal people are turning to unregulated peptide injections , cold plunges and supplements in an effort to defy ageing, the ultra-rich are aiming for immortality with even more drastic interventions: the tech chief executive Bryan Johnson has even tried injecting plasma from his 17-year-old son – although he later said he saw no benefit from it.

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