(Nanowerk News) Spend an afternoon by a creek in the woods, and youre likely to notice water striders long-legged insects that dimple the surface of the water as they skate across. Or, dip one side of a toothpick in dish detergent before placing it in a bowl of water, and impress your grade schooler as the toothpick gently starts to move itself across the surface.
Their vehicle? Tiny surfing robots.
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