'Inaudibility Cloak' Is Theoretically Possible
Can you think of some good uses for a cloaking device that hides you, or an object, acoustically?

Dub Pimpstar Rims LED Wheel Display
Forget driving while talking on a cell phone - this takes distracted driving to a whole new level.

Ukrainian Buckyballs V. Alzheimer's
Interesting research from the Ukraine tells you what you're going to be doing with all those spare buckminsterfullerene molecules you've got lying around in your lab.

Use Roads As Solar Energy Collectors
Interesting system started out as a study on how to make roads more sustainable, with less maintenance. Passive solar heating is a bonus (other examples also covered).

Portrait Robot By Sylvain Calinon
See how this Swiss postdoc taught a HOAP-3 humanoid robot how to draw portraits of passers-by.

i-Snake Flexible Robot Surgeon Concept
It sounds creepy, but the i-Snake idea has enough funding for a fair trial.

Wiimote-Based Multi-Touch Whiteboard
It might just be quicker to list the things you CAN'T do with a Nintendo Wii remote; great hack from CMU.

Nintendo Wiimote Controls i-SOBOT Robot
Very cool free software program lets you control a humanoid robot with nothing more than your handy Wiimote and nunchuk attachment.