One July afternoon in 2024, Ryan Williams set out to prove himself wrong. Two months had passed since he’d hit upon a startling discovery about the relationship between time and memory in computing.

Now, she was homeless with her partner and their two sons, a 7-year-old and a baby whose first address was a shelter in Brooklyn, New York. The voucher was their golden ticket. It promised stability ...

What did you dream of doing when you were 16 years old? I wanted to drive a car and travel the world. But American mathematician Ray Solomonoff had more ambitious goals at that age. He wanted to find ...