A blast of radio waves from the outskirts of an ancient galaxy challenges theories about what creates such bursts.

A Ham radio operator will tell you all about ... All well and good, but what do standing waves actually look like in a transmission line? [Allen] obliges with a demo using a strip line, which ...

Sending electromagnetic waves into the air. In 1894, Marconi transmitted the first radio waves. The first commercial radio station to transmit audio frequencies was KDKA in Pittsburgh ...

Telescopes around the world have spotted a monster radio jet streaming from a quasar dating back to the first 1 billion years ...

Like most waves in the electromagnetic spectrum, radio waves tend to bounce off of various objects. This can be frustrating to anyone trying to use something like a GMRS or LoRa radio in a dense ...

allowing them to push data transmission into previously unused high-frequency ranges. By merging these two technologies — radio waves at lower frequencies and lasers at higher frequencies ...

The first steps toward inventing radio involved discovering electromagnetic waves and their potential ... that by sending the first long-distance transmission of human voice and music from ...

As a technology to achieve 400-Mbps-class wireless transmission, we are researching a scheme using millimeter waves in the 42-GHz band, which enables large-capacity transmission with a wide ...

In a major development, researchers have created a transparent device that can harvest energy from both radio waves and sunlight ... while enabling the efficient transmission of visible light ...