Friday, March 16, 2012

Nano racing Car: Vienna University

This racing car is the size of a grain of sand. Researchers at the Vienna University of Technology used a 3D printer with nano precision to break the world record for fastest two-photon lithography.

The technique sees liquid resin hardened by a laser beam.

The focal point of the laser beam is guided through the resin by movable mirrors, and leaves behind a line of solid polymer, just a few hundred nanometres wide.

This high resolution enables the creation of intricately structured sculptures as tiny as a grain of sand...Picture: TU Wien / Rex Features

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