Highlights from the "Modern Marvels Invent Now Challenge"
The Boston Globe
Shift bicycle
Shift bicycle: Splayed rear wheels act like training wheels at slow speeds and come together as a single wheel at higher speeds. Inventors: Matthew C. Grossman, 24, student, Austin, Texas; Ryan Lightbody, 25, industrial designer, Seattle; Scott Shim, 35, assistant professor of industrial design, West Lafayette, Ind.
(Source: The History Channel)