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This paper introduces a new bio-inspired wire-driven robotic fish, called the Robot Shark. Different from the existing robotic fishes, it can sway its caudal fin to establish forward motion as well as ascending motion. First, the sway motion model is derived and computer simulations are conducted. Next, a prototype was built and a number of experiments were(More)
We demonstrate the direct reconstruction of 3D atomic images from measured low-energy electron diffraction (LEED) intensity spectra. A multiple-incident angle and multiple-energy integral are first applied to the spectra to obtain a map of interatomic vectors. From this map, a nonbulk interatomic vector is chosen that points to a desired reference atom. A(More)
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