This prototype uses water cooling, PTFE rings, and 3D‑printed mounts to turn 200‑year‑old heat‑engine tech into a ...

Fishing duo Cole and Jay find a rare two-legged salamander during a winter swamp search.

Considering the variations of inertia in real applications, an adaptive control scheme for the permanent-magnet synchronous motor speed-regulation system is proposed in this paper. First, a composite ...

An electric drive for high-speed applications is analyzed in this paper. The drive consists of a dual two-level inverter with a floating bridge, fed by a single voltage source, and a three-phase ...

Our Sun 2-Speed Cryptic Crossword June 26, 2025 answers guide should help you finish today’s crossword if you’ve found yourself stuck on a crossword clue.

“Swamp coolers, also known as evaporative coolers, can produce similar results to what you’d get from an air conditioner,” says Brandi Andrews, founder and CEO of the National Air Warehouse.