charles townes

Charles Townes, inventor of the laser beam, dies at 99
The physicist whose invention led to the development of devices to read barcodes, guide missiles and survey the planets has died aged 99. Charles Townes...
Charles Townes, inventor of the laser beam, dies at 99
The physicist whose invention led to the development of devices to read barcodes, guide missiles and survey the planets has died aged 99. Charles Townes...

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