For visible light, these structures are microscopic, but tall buildings in a city can act like a diffraction grating for radio waves. Gratings can be made by creating variations in the thickness of an ...

Abstract: All results of the approximative diffraction theory dealing with the propagation of radio waves around a smooth spherical earth (surrounded by a homogeneous atmosphere) can be derived from a ...

Fast radio bursts (FRBs) are among the most puzzling astronomical phenomena. These brief yet intense bursts of radio waves, ...

Astronomers have identified the source of strange radio flashes: a binary system containing a white dwarf, the remnant of a ...

A cosmic enigma, ASKAP J1839-0756, a slow-spinning neutron star discovered using the ASKAP radio telescope, is challenging ...

New results from the CHIME telescope support the hypothesis that fast radio bursts originate in close proximity to the turbulent magnetosphere of a central engine.

A mysterious and powerful burst of radio waves reached Earth after traveling through space for 8 billion years dubbed FRB ...

Learn more› By Kathryn Rath and Nena Farrell We’ve added radios from Hearth & Hand, C.Crane, and Sangean to What to look forward to—including a new version of our HD Radio pick. March 2025 ...

In the nineteenth century, the emergence of diffraction theory enabled telescope ... Another is the Stationary-Wave Integrated Fourier Transform Spectrometer (SWIFT) 13, where on-chip detection ...

Join hosts Emily Kwong and Regina Barber for science on a different wavelength. If you're hooked, try Short Wave Plus. Your subscription supports the show and unlocks a sponsor-free feed.

The Radio Hour's Adam Howard spoke with two of the site's creators: Kate Green, who recently left the federal government for a job in the private sector, and a web developer who identifies himself ...

VOA1 is the Voice of America’s 24/7 English language music network. Hear the freshest cuts from chart-toppers Beyoncé, Justin Timberlake, Lady Gaga, Bruno Mars, Rihanna, Pink, One Direction ...