tag:techtv.mit.edu,:Array/234653840 2007-09-11 10:52:29 -0400 MIT Video Productions NASA is returning to the Moon by 2020 as a stepping stone for the human exploration of Mars. Human space exploration will no longer be viewed as a set of isolated missions, but rather as an integrated supply chain in space. As part of a NASA-funded project, MIT, together with its partners at JPL and Payload Systems Inc., is developing a framework for interplanetary logistics. 435 tag:techtv.mit.edu,:Array/234627840 2008-12-31 15:16:20 -0500 Convergence Culture Consortium Audiences seem to present a constantly moving target. Migratory, skilled at avoiding advertising, and increasingly looking like producers, working out who the audience is and what they are doing is an evolving challenge. How do we create better relationships with audiences who look less like "consumers"? In a media landscape that looks to increasingly value broad distribution over concentrating attention, how do we uncover audiences and connect them with content? What does an "engaged" audience look like, and how do you know when you've got one? What do you do once you've found one? 6736 tag:techtv.mit.edu,:Array/234600960 2009-02-24 14:43:29 -0500 MIT Department of Physics Technical Services Group In the electric field of a Van de Graaff generator, an unprotected Ben Franklin feels electrostatic forces. However, when a metal cage surrounds him, he is completely shielded against any electricity or electrostatic force. <br><br> This is due to the fact that all charges in a conductor reside on the outer surface, and always rearrange themselves to cancel out the electric field in the interior. 84