🤔 The radio is a device that uses electromagnetic waves to transmit and receive audio signals, typically in the form of music, news, talk shows, or other types of broadcast content. It has been a vital communication tool since the early 20th century, allowing people to listen to broadcasts from across town or even across the globe. Radios work by tuning into specific frequencies on the radio spectrum, which is divided into different bands, such as AM (Amplitude Modulation) and FM (Frequency Mod

World's largest radio telescope will search for dark matter, listen for aliens

Radio Telescope | Definition, Function & Uses

Telescope for Kids & Adults - 70mm Aperture 500mm AZ Mount Fully Multi-Coated Optics Astronomical refracting Portable Telescopes, with Tripod Phone Adapter, Carrying Bag, Remote Control White