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, ...

Physics and Python stuff. Most of the videos here are either adapted from class lectures or solving physics problems. I really like to use numerical calculations without all the fancy programming ...

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The New Scientist Book Club made a jump backwards through time for our latest read, Alex Foster’s Circular Motion, moving from the millennia-ahead future of Adam Roberts’s Lake of Darkness to a world ...

New Scientist Book Club has been reading Alex Foster’s debut novel, Circular Motion, in which he charts what would happen if Earth’s rotation sped up by not just a millisecond, but a minute, or an ...

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 ...

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 ...

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 ...