Brian Yee

Just in case you’re sent back in time 1,000 years, here’s all the basics you need to know.  Like heavier-than-air flight and the basics of fighting infections.  Just hang this up in your time machine.

Time Traveler’s Crib Sheet. (from BoingBoing)

(P.S. Apparently, I’m just a transparent proxy for BoingBoing.  Go read that site, they have more content )