Heinrich Hertz who, in 1888, published work that demonstrated the first detection of radio-frequency waves. He also went on to verify that electromagnetic waves exhibit light-like behaviors of ...

He also predicted the presence of the numerous EM waves that form the electromagnetic spectrum. Later, in 1886, Heinrich ... radio waves (which also traveled at the speed of light). Hertz ...

Usually when we see a project using a software-defined radio (SDR), the SDR’s inputs and outputs are connected to antennae, but [FromConceptToCircuit]’s project connected an ADALM-Pluto SDR to ...

Every weekday, NPR's best political reporters are there to explain the big news coming out of Washington and the campaign trail. They don't just tell you what happened. They tell you why it matters.

Central to physics are ideas such as energy, mass, particles and waves. Physics attempts to both answer philosophical questions about the nature of the universe and provide solutions to ...

Russia has attacked the Ukrainian city of Kharkiv with bombs, missiles and drones, killing at least three people. Meanwhile, Kyiv and Moscow are expected to swap 500 prisoners of war this weekend.

On June 8, 1959, NASA's rocket-powered X-15 experimental plane made its first glide flight. On June 8, 1959, NASA's rocket-powered X-15 experimental plane made its first glide flight. The X-15 ...

Patricia Doherty, director and senior research scientist at Boston College’s Institute for Scientific Research and an internationally recognized leader in space weather and its impact on global ...

RADAR stands for RAdio Detecting And Ranging and as ... in 1842 the Austrian physicist Christian Doppler had discovered what is now called the Doppler effect. This is the theory that sound waves will ...