FARADAY, describing his experiment which established a fundamental law of electrical science, — the induction of electric currents, — was asked, ‘What use is it?’ To which he gave the classic ...

Time doesn’t exist, according to a letter from Bill Summers (22 October, p 34) because the present is infinitesimal. If that were so, then much of modern mathematics would have to go. Newton had to ...

Infinitesimal is a new Local Legend introduced in Genshin Impact version 5.5. It is also one of the hardest bosses to defeat, as it has two different shields. The boss also has some challenging ...