If the antibody method is being used, the tester deposits a droplet of sample fluid that has been seeded with magnetic particles coated with the appropriate antibodies onto the chip's surface.

ECONOMIST: Labs on a chip

The visible particles and clouds of smoke in the scene react to other objects using fluid dynamics simulation.

ENGADGET: Next 3DMark teased, who says benchmarks don't need trailers? (video)

Each electron added to this fluid creates a ripple, and these ripples behave like fractionally charged sub-atomic particles.

ECONOMIST: The 1998 Nobel prizes

Carbo Ceramics ( CRR - news - people )(CRR, 73) , a Houston firm that makes various forms of "proppant, " particles (sand or a synthetic substitute) injected along with the fracking fluid to keep the fissures propped open after the pressure is withdrawn.

FORBES: Energy Under Our Feet