(a) Schematic of frequency multiplexing achieved by comining phase profiles derived from plate theory with wavefront-engineered phase control. (b) Photograph of the fabricated elastic metasurface that ...

The challenges of terahertz-band components and frequency measurement. How a sophisticated combination of optical and electronic components representing advanced principles are being used to measure ...

Hundreds of people lined up Monday at Calgary’s Stampede grounds to sign their names on a petition calling for the Alberta government to hold a referendum on the province’s separation from Canada.

Dispersion is an inherent feature of electromagnetic waves. It allows light to behave differently at different wavelengths, ...

It has long been considered common sense that a single device performs only one function. Just as tuning a radio to a different frequency changes the channel, systems that manipulate waves have ...

This is read by an automated voice. Please report any issues or inconsistencies here. On Tuesday, the full, 17-judge U.S. Court of Appeals for the 5th Circuit heard consolidated oral arguments in a ...

Every day across Alberta, groups are gathering to sign a petition to force a vote on the province leaving Canada — but when faced with the costs and consequences of doing so, only half of those ...

The audio version of this article is generated by AI-based technology. Mispronunciations can occur. We are working with our partners to continually review and improve the results. A person wears an ...