Swedish researchers are making photovoltaic technology come alive - literally. Zackary Chiragwandi and his colleagues at Chalmers University of Technology have found a way to create cheaper solar cells using special proteins harvested from bioluminescent jellyfish.

When these glowing proteins, known as green fluorescent proteins (GFP), are inserted between two aluminum electrodes, they generate current by absorbing photons and emitting electrons.

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As upsets continue to shock viewers of the US Open, engineers at Prince Sports are watching their patented O-Technology hit winners up and down the court.

The concept seems simple - tiny round, oval, or trapezoidal holes placed strategically along the frame of a tennis racket. But this subtle design feature has many benefits.

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2010 American Society for Engineering Education (ASEE)

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