In Pictures: Attack of the (mostly) cool robots

New robots pick grapes, go after snakes, improve health and measure Antarctic ice

A free-swimming robot submarine, which is carried aboard the Australian Antarctic Division's icebreaker, Aurora Australis, is suspended from a crane in Eastern Antarctica. Recently scientists have produced the first three dimensional map of the surface beneath Antarctic Sea ice, helping them better understand the impact of climate change on Antarctica. The team of scientists from eight countries have used a robot submarine to chart a frozen and inverted world of mountains and valleys, allowing accurate measurements of the crucial thickness of Antarctic Sea ice.

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