The song name is displayed on the radio with the help of a specific communications protocol called the Radio Data System, which embeds small bits of information in FM broadcast signals. RDS allows broadcasters to send much more than just...

Amplitude Modulation, commonly abbreviated as AM, is a common method of broadcasting radio signals. This method dates back to the 1870s, i.e., the time when we first discovered that information in the form of audio production can be...

The song name is displayed on the radio with the help of a specific communications protocol called the Radio Data System, which embeds small bits of information in FM broadcast signals. RDS allows broadcasters to send much more than just...

Amplitude Modulation, commonly abbreviated as AM, is a common method of broadcasting radio signals. This method dates back to the 1870s, i.e., the time when we first discovered that information in the form of audio production can be...

Caltech physicist and Nobel Laureate David Politzer relates how a seemingly obvious question still eludes our understanding: What makes a banjo ring?