Abstract: Dear Editor, This letter deals with the autonomous underwater vehicle (AUV) three dimensional (3D) trajectory tracking control chronically suffering from poor accuracy and efficiency in ...

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

This study provides an important and biologically plausible account of how human perceptual judgments of heading direction are influenced by a specific pattern of motion in optic flow fields known as ...

A single alien world can be misleading. A strange gas in an atmosphere might look promising, then turn out to come from ...

The Army also sees drones launched from ME-11Bs offering a major boost in its ability to peer deep into hostile territory.

The electricity to an island goes out. To find the break in the underwater power cable, a ship pulls up the entire line or ...

Gravity has been tested extremely well inside the solar system. On cosmic scales, direct tests are harder. This study pushes ...

Schwab U.S. Dividend Equity ETF now overweights energy, consumer defensive, and healthcare. Find out why SCHD is a Buy.

The reboot of the TV series “Baywatch” needs some help filming on LA County beaches. So the Board of Supervisors are making ...

Having a tail that extends beyond the anal opening is a requirement of membership in the phylum Chordata, where humans and ...

The reboot of the TV series “Baywatch” needs some help filming on LA County beaches. So the Board of Supervisors are making ...

The Eastern Conference First Round between the Tampa Bay Lightning and Montreal Canadiens features opposites in experience ...