New robotic buoys are being tested along the coasts of Oregon and Rhode Island—tested? what does that mean?—reports Digital Trends. The robots look like boat-shaped life vests, and they apparently can travel at 25 m.p.h. to reach struggling swimmers 12 times faster than your typical sunscreen-swathed lifeguard. The lifeguard is supposed to swim after the buoy, which the would-be drowner can cling to as he or she scans the horizon for sharks.
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