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Creation of the radio
Julio Cervera Baviera created the first radio in spain in May-June. -
Reginald Fessenden made a faint radio sound.
He created somewhat of a sound over a radio -
creation of telefunken
its a function of the radio created to have "wireless connection" -
Lee De Forest Created AM radio.
It gives better signal than Spark-gap. -
Fm Radio created
It has better signal, and more stations, crewated by Edwin H Armstrong -
today, radio is better.
you have portable radio, lots of station, and ussually used for music.