Investigates motions of a polyhedron in contact with a fixed polyhedron under the frictionless assumption. The authors propose a complete algorithm for determining possible velocity of the moving ...

This paper presents a novel approach to an online trajectory planning of robot arms for the interception of a fast-maneuvering object under torque and velocity constraints. A body axis is newly ...

Southwest Research Institute (SwRI) has completed a mission study detailing how a proposed spacecraft could fly by an ...

This persnickety number determines the strength of magnetic fields. It figures in everything from motors and generators to ...

Scientists have calculated the odds of a catastrophic asteroid impact compared to other causes of death—to surprising results.

The white dwarfs reach speeds of almost 4x needed to escape the Milky Way’s gravitational pull. Researchers at the ...

Klipper module for automatically calculating your printer's maximum acceleration/velocity - Anonoei/klipper_auto_speed ...

New measurements of the galaxy at the heart of the “Cosmic Horseshoe” indicate that it could house the most massive object ever seen in the universe.

Superman's powers have evolved and fluctuated over the years, so figuring out just how strong the Man of Steel is can be ...

The Laser Interferometer Gravitational-Wave Observatory (LIGO) could potentially detect gravitational waves from an alien ...

From September 4 to 5, the Third International Conference on Deep Space Exploration was held in Hefei, Anhui. Wu Weiren, the ...