The best fifty minutes you will spend this year

We live in a golden age of information. Anybody reading this commentary also has an entire virtual Library of Alexandria at their fingertips, with wisdom from the ages accessible almost instantaneously and at more or less zero cost. If we choose to spend our time exclusively on kitten videos, well, that’s a choice too. While the signal to noise ratio in the online universe could clearly be boosted, every so often one comes across a beneficial marvel that makes up for all the rest, and then some.

The best fifty minutes you will spend this year