Physicists uncover a universal limit on timekeeping precision, proving that anything from heartbeats to ocean waves can be a ...
Abstract: For 3D walking control of a biped robot we analyze the dynamics of a 3D inverted pendulum in which motion is constrained to move along an arbitrarily defined plane. This analysis yields a ...
Abstract: The control, prototyping, and experimentation of rotor-based systems (aerial robotic platforms) were highlighted recently for rotation around pipes for inspection, measurement, and ...
Este artigo foi escrito para estudantes de matemática, física e engenharia. Em geral, a palavra caos pode se referir a qualquer estado de confusão ou a desordem, mas também se referir a mitologia ou ...
Multivariable equations are recommended by primary prevention guidelines to assess absolute risk of cardiovascular disease (CVD). However, current equations have several limitations. Therefore, we ...
The pendulum at the museum is attached to a 61-foot-long cable. It typically swings as the Earth rotates, knocking down pegs, until it suddenly stopped this month. The Houston Museum of Natural ...
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