A crossword puzzle with a twist
Today’s puzzle illuminates one of the smash hits of theoretical computer science, a mind-boggling result that left even experts in the field gobsmacked.
We’ll get to that result (the PCP theorem) later. But first, to the challenge!
More Stories
Virologist Wendy Barclay: ‘Wild avian viruses are mixing up their genetics all the time. It’s like viral sex on steroids’
Microsoft unveils chip it says could bring quantum computing within years
Patients with long Covid regain sense of smell and taste with pioneering surgery