A Renaissance mind built machines no one could understand—until centuries later. What was he really trying to escape?

O ne of Leonardo da Vinci’s most famous sketches, the ‘Vitruvian Man,’ is a familiar piece of art that can be found in ...

Now, it is up to him to complete Christo and Jeanne-Claude’s The Mastaba in the Abu Dhabi desert. First conceived in 1977, ...