Photos: Cool gizmos on display

The Cool Product Expo at Stanford University on Wednesday showcased a range of novel products.

Here, the cyclone chamber from a Dyson vacuum cleaner. The chamber swirls around, and the centrifugal force pushes dirt out of the way of the suction. James Dyson came up with the idea after seeing an industrial wood chipper, sort of like those things they used to dispose of bodies with in the movie "Fargo."

Photo by Michael Kanellos/CNET Networks