A new book imagines what the world would be like if Earth spun faster and faster until days just last two hours.

This drive series uses a thin-race ball bearing to minimize friction, a flexible cup gear to absorb shocks and misalignments, ...

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A rack and pinion steering system consists of a pinion (a circular gear) with a rack (a linear gear). The system works by converting a revolving motion into linear motion. Most cars, small trucks, and ...

Abstract: A circular-polarized vortex beams generation with orbital angular momentum (OAM) based on a leaky-wave antenna (LWA) with substrate integrated waveguide is proposed in this letter. The loop ...

Velocity-time graphs show how the velocity (or speed) of a moving object changes with time. These graphs also show if the object is moving at a constant speed or accelerating, decelerating, or still.

Abstract: This article proposes an integrated two-loop motion control strategy of an electro-hydraulic actuator, in which the cylinder actuator is driven by a variable speed pump to track a desired ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By James Austin and Ellen Airhart The best way to clean tile and grout in your ...

Frequency Division Multiplexing (FDM, a traditional information multiplexing method in communication systems, provides a viable way around this restriction. Professor Takeda added FDM to FPP as early ...