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Electrical Engineering and Computer Science

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In these time-lapse photos, a robot is guided by two different algorithms as it attempts to grasp a coffee cup on a desk. In the first (top), the robot flails about randomly before reaching toward the cup. But when it runs a new algorithm designed by MIT researchers (bottom), its movements are much more efficient and predictable.

Smarter robot arms

A combination of two algorithms developed at MIT allows autonomous robots to execute tasks much more efficiently — and move more predictably.

A schematic of a new design for a laser that emits ultrashort pulses of light. Light waves of different frequencies (red and green) are combined to form a new wave (yellow), which in turn passes through a gas (blue). The light excites the atoms of the gas, which release their excess energy as light of an even higher frequency.

Movies of electrons

Lasers that emit pulses lasting a quintillionth of a second could characterize the behavior of individual electrons during chemical reactions.

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