Electromagnetic vortex pulses could be employed for information encoding, high-capacity communication and more ...

The electromagnetic equivalent of smoke rings have been generated at GHz frequencies by researchers from the University of ...

In fluids (which includes gases) vortex rings can be created thanks to frictional forces as a jet moves through the fluid at ...

Vortex rings, both in air and electromagnetic waves, are fascinating structures. Recent research has developed methods to ...

They built a device using a broadband conical horn antenna to launch microwave toroidal pulses. In a statement accompanying the release of their paper, the team explained their novel creation: “The ...

According to Wiley Industry News, the researchers used germanium vacancy centers (GeVs) in diamonds to create an optical ...

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There’s a joke in the world of radio that all you need for a HF antenna is a piece of wet string, but the truth is that rudimentary antennas rarely perform well. Random pieces of wire may pull ...

Abstract: In this letter, a new substrate integrated waveguide (SIW) H-plane horn antenna introducing a slot and a short-terminated SIW has been proposed on a thin substrate with 0.02λ0. The slot ...