1: In the fall of 1979, Harvard psychologist Ellen Langer set out to build a time machine.

But this wasn’t the kind of time machine from Back to the Future. There was no DeLorean with gull-wing doors.

Instead, Ellen rented an empty monastery in the woods near Peterborough, New Hampshire.

“The color television was swapped for a black-and-white version,” Daniel Coyle writes in Flourish: The Art of Building … continue reading