Thursday, April 9, 2009

More on robotic scientists

nsf.gov - National Science Foundation (NSF) News - Maybe Robots Dream of Electric Sheep, But Can They Do Science?: "Using the digital mind that guides their self-repairing robot, researchers at Cornell University have created a computer program that uses raw observational data to tease out fundamental physical laws. The breakthrough may aid the discovery of new scientific truths, particularly for biological systems, that have until now eluded detection.

"Reporting in the April 3, 2009, issue of Science, Cornell University Mechanical Engineering professor Hod Lipson and his doctoral student Michael Schmidt report that their algorithm can distill fundamental natural laws from mere observations of a swinging double pendulum and other simple systems."

"Without any prior instruction about the laws of physics, geometry or kinematics, the algorithm driving the computer's number crunching was able to determine that the swinging, bouncing and oscillating of the devices arose from specific fundamental processes.

"The algorithm deciphered in hours the same Laws of Motion and other properties that took Isaac Newton and his successors centuries to realize.

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