An orbiting disco ball gave Einstein’s theory its most precise test yet

Albert Einstein’s general theory of relativity predicts that a rotating mass like the Earth pulls the fabric of space and ...
archive

A Book Of Problems In Ordinary Differential Equations

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Scientific American

The math behind the universe's symmetry

How Emmy Noether's theorem uses the Lagrangian to provide a formula for calculating the quantity of symmetries in a ...
IEEE

Three-Dimensional Bipedal Walking Control Based on Divergent Component of Motion

Abstract: In this paper, the concept of divergent component of motion (DCM, also called “Capture Point”) is extended to 3-D. We introduce the “Enhanced Centroidal Moment Pivot point” (eCMP) and the ...
IEEE

Motion Planning of Humanoid Upper-Body Robot Using an Integration-Enhanced Differentiator-Based Method: A Time-Varying Linear Equations Approach

Abstract: This article applies high-order differential estimation to the motion planning of humanoid robots for the first time. A multiobjective optimization model and the corresponding optimal policy ...