What the heck is that blue box on top of the Small Dome at MIT? Students starting school this week at the venerable geek institution were wondering that themselves. Let's take a closer look ...

Yep, it turns out that the Doctor is stopping by to give the first lecture in 6.01, the infamously hard and awesome introduction to computer science class. The Doctor, of course, remembers when it was called 6.001.

You can see a whole history of MIT hacks on the campus website.

via BBCAmericanGirl on Flickr

Thanks, Ria!