It includes radio waves, microwaves, infrared light, visible light, ultraviolet, X-rays, and gamma rays. Each type of light has a different wavelength and frequency. Understanding the electromagnetic ...

In a radio signal ... Every photon is characterized by wavelength (the distance from the crest of one wave to the crest of the next wave), by frequency (the number of wave cycles that pass ...

Hydrogen atoms emit at 1420 MHz (a wavelength of 21 cm ... The Doppler Effect shifts the frequency of the radio waves to higher (moving toward us) and lower (moving away) frequencies. The resulting ...

In space exploration, long-distance optical links can now be used to transmit images, films and data from space probes to ...

Traditional radio frequency (RF) technologies like Wi-Fi and Bluetooth are beginning ... This image from the NASA/ESA Hubble Space Telescope features the spiral galaxy IC 1954, located 45 million ...

NASA is experimenting with Invisible beams of light to transmit data to Earth, which can pack 10 to 100 times more ...

This is the eleventh installment in a recurring series that looks back at developments that have shaped radio broadcasting ...

Earlier this year, a company called Betavolt made news by announcing a nuclear battery that can go on for 50 years before needing a recharge. Technology is marching further ahead. In the future ...

Starlink's home Internet service has come to the National Radio Quiet Zone after a multi-year engineering project that had ...

Researchers have developed a new ultrafast laser platform that generates ultra-broadband ultraviolet (UV) frequency combs ...

In a groundbreaking achievement, the Event Horizon Telescope (EHT) Collaboration has conducted the highest-resolution ...

Supermassive black holes can expel jets of material so vast and powerful that they may shape the large-scale structure of the ...