Engineers reinvent the 5,000-year-old gear using fluids instead of solid teeth.

The study, published January 13 in Physical Review Letters, replaces the metal or plastic cogs of conventional gears with controlled flows of liquid. In their experiments, ...

A special closed-loop stepping-motor system eliminates difficulties around resonances and allows less-conservative motor sizing. • Clever management of motor current in a closed-loop stepper system ...

Scientists have uncovered a new explanation for how swimming bacteria change direction, providing fresh insight into one of ...

Money transfer apps, also known as mobile payment and peer-to-peer (P2P) apps, marry convenience and security by allowing users to digitally send money to friends, make contactless payments, and shop ...

NVIDIA Alpamayo NVIDIA Alpamayo is a family of open-source VLA models, datasets and simulation frameworks enabling ...

US researchers have characterized different chronic constipation phenotypes by using a barostat manometric assembly inserted into the colon. “Chronic constipation is a common problem and the ...

The 247Sports Transfer Portal includes players who have either announced their intent to enter or have officially entered the NCAA Transfer Portal. Under the college transfer policy, when a ...

Julia Kagan is a financial/consumer journalist and former senior editor, personal finance, of Investopedia. Somer G. Anderson is CPA, doctor of accounting, and an accounting and finance professor who ...

Abstract: To realize stable flight of electricaircraft in complex environments, this article investigates the composite adaptive super-twisting sliding mode (ASTSM) controller for permanent magnet (PM ...