Five for the Future 11-13-13

Submitted by RobBoyle on Wed, 2013-11-13 17:13

• Radar invisibility cloak (using antennas rather than metamaterials)
• Prison terms and life extension
• How to talk to aliens
• How self-replicating spacecraft could take over the galaxy
• Alien life may flourish on purple planets

These and similar links can be found at http://delicious.com/infomorph

• RobBoyle's blog