Xuanhe Zhao is a professor of mechanical engineering and civil and environmental engineering at Massachusetts Institute of Technology, Cambridge, USA. On a sunny day in April, one of us (C.W.) jogged ...

In the early 1970s mathematician Donald Knuth spent a sabbatical with his wife in Norway. The time was meant to be spent relaxing. Yet one night he woke up his partner in a state of agitation. He ...

What separates dreamers from doers is the relentless execution — the daily grind, tough decisions, and long-term commitment it takes to turn vision into reality. In the startup world, great ideas are ...

Considering Perplexity’s bold ambition and the investment it’s taken from Jeff Bezos’ family fund, Nvidia, and famed investor Balaji Srinivasan, among others, it’s surprisingly unclear what the AI ...