Quizzes for review
As a teenager, she built a simple crystal set to listen to distant broadcasts without batteries.
See correct answer
As a teenager, she built a simple crystal set to listen to distant broadcasts without batteries.
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Related words
crystal set
Noun
Japanese Meaning
（電子工学）水晶受信機：外部電源を持たず、ラジオ波から直接エネルギーを受け取る初期の無線受信機。鉛やカドミウム硫化物の水晶と、接触ワイヤ（キャッツウィスカー）を利用する。
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