Flying to Saturn: Carolyn Porco in LEGO

Planetary scientist Carolyn Porco - or rather, her Lego doppelgänger - takes you on a fascinating journey with Cassini-Huygens, a space mission investigating Saturn and its intriguing moons. This stop-motion animation is a recreation of Porco's real-life presentation from the 2007 TED conference. (Maia Weinstock, 2010)

From the great blog annals of spacetime: This. Plus a lovely essay on the how and why.
The behind-the-scenes page is pretty wonderful too.
In a promising development, some other TEDTalks stars have also been modded into LEGO minifigs: Jane Goodall. Prof. Brian Cox. Richard Dawkins. More >>