Reaction wheels are useful things, typically used by satellites to keep themselves oriented the right way up in space. Turning the reaction wheel creates an equal and opposite torque in the spacecraft ...

He works in mysterious ways.

Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...

Abstract: The conical horn radiation characteristics (gain, aperture phase distributions, loss factors, and amplitude patterns) are revisited based on the spherical and quadratic aperture phase ...

Abstract: A conical log spiral antenna is presented with a new feeding scheme. This antenna is proposed for deployment on a CubeSat platform where the new feeding technique allows for easier antenna ...

The most convenient way to use D2 is to just run it as a CLI executable to produce SVGs from .d2 files. You can run the install script with --dry-run to see the ...

Describe your data using text. Customize your diagram's appearance interactively. Export a finished product as a PNG image and as SVG code. Export/import your work in progress as readable (and ...

† Department of Chemical Engineering, National Taiwan University, Taipei, Taiwan 10617 ‡ Department of Chemical Engineering, National Taiwan University of Science and Technology, Taipei, Taiwan 10607 ...

It begins with a small white dot at the bottom of the black frame. By the film’s end thirty minutes later, a full circle has slowly, silently been drawn to fill the frame. This is all that happens ...

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