He experimented with the discovery, and described his creation of a semiconductor carbon and steel point-contact rectifying diode, now known as a crystal radio detector, that was the key component of his sensitive radio receiver.
He experimented with the discovery, and described his creation of a semiconductor carbon and steel point-contact rectifying diode-at the time called a "coherer", but now known as a crystal radio detector. It was the key component of his sensitive radio receiver.