The debate over electronic line-calling at Wimbledon is similar to that over technology in cricket and football, writes Dr Martin Schwarz. Plus a letter from Christine WaltersHugh Muir’s farewell to line judges at Wimbledon, who have been replaced by electronic wizardry, fails to mention the greatest benefit: we are no longer subjected to the inane slow hand-clapping that accompanied the pause before the verdict of the electronic line judge, as if it could speed up the decision (Look at Wimbledon without human line judges and tell me this: do you really want life to be perfect? 2 July).Technology has been applied to cricket to its benefit, with the DRS (decision review system) assisting the umpires. Yet one could argue that football has been ruined by VAR (video assistant referee), as referees have become slaves to it. Goals that were once the result of a perfectly timed run are now judged to have been a shirt’s thickness offside. Beware the machine.Dr Martin SchwarzDelph, Greater Manchester Continue reading...