How Can Astronauts Tell How Fast They’re Going?

Weirdly, spaceships have no direct way to gauge their own speed. Luckily, we can use some physics tricks to figure it out.
Scientific Research Publishing

Non-Invariant One-Way Speed of Light: Advancing the Selleri Transformations ()

In a recent paper [1], the author shows that in spacetime physics, the Selleri transformations (STs) are viable alternatives ...
Crypto Briefing

Michael Nielsen: The Michelson-Morley experiment aimed to test ether theories, Einstein’s special relativity developed independently, and the complexity of scientifi…

Einstein's special relativity emerged independently, challenging misconceptions about the Michelson-Morley experiment's ...
IEEE

Simultaneous Stabilization Control of Position and Orientation for Nonholonomic Vehicle in 3-D Space: Geometric Reference Trajectory

Abstract: This article addresses the challenge of simultaneous stabilization control of the position and orientation of the nonholonomic vehicle in three-dimensional (3-D) space by constructing a ...
IEEE

Orthogonal Ray Projection: A Tangent-Space Visual Measurement Model for Robust Visual-Inertial Odometry

Abstract: The reprojection error in Visual-Inertial Odometry (VIO) suffers from high nonlinearity due to perspective division, which degrades estimator consistency ...