New Roku Boxes, Syncing Multiple iTunes Libraries, Da Vinci's Ornithopter Flies, Stress-Sensing Mesh, Windows Phone 7 Ads, Blog Post of the Week

Roku rolls out new boxes for 1080p streams, a Windows app to help sync multiple iTunes libraries, students build a working ornithopter, mesh that senses structural stress in airplanes, Windows Phone 7 ads speak to the non-geeks and our blog post of the week.