Should we halt AI? The heads of two of the world’s leading tech companies have warned that computers could destroy the human race. But other experts say they are exaggerating.
AI could lead to extinction, experts say
Trained brain: Computers have beaten humans at games including chess, Go and poker. Glossary
AI - A computer programme that has been designed to think.
Open letter - A letter intended for the public as well as the specific person(s) to whom it is addressed. A famous example, "J'Accuse!", was written in 1898 by the novelist Emile Zola to the president of France, defending an army officer falsely accused of treason in a case that divided the whole country.
Elon Musk - A South African-born entrepreneur whose companies have included the online payment service PayPal. He now controls Twitter, renamed 'X'.
Scenario - An imaginary situation. The word was originally Italian and referred to the plot of a stage drama.