In “The Singularity is Nearer: When We Merge with AI,” the futurist Ray Kurzweil imagines the point in 2045 when rapid technological progress crosses a threshold as humans merge with machines, an ...
Ammonia might be the world’s most underappreciated chemical. Without it, crops would go unfertilized and billions of people would starve. Humans started making ammonia in large amounts just over a ...