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Light Post, with Jason II at smoker.

Lighting the Way

This artist's concept shows the "deep-sea light post" alongside the remotely operated vehicle (ROV) Jason (left) near a black smoker vent on the ocean floor. The light post uses a single, 1,200-watt bulb (20 times more powerful than the average 60-watt household bulb) and is powered by five 100-pound batteries. (Illustration by E. Paul Oberlander, Woods Hole Oceanographic Institution)


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