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The Polanniversary: February 21, 1947

By On 21 February 2012 · Leave a Comment

On this date in 1947, Edwin Land showed the world his invention.

 

 

 

 

 

 

 

 

 

 

It was at the dinner session of a meeting of the Optical Society of America at the Hotel Pennsylvania in New York. The event itself almost didn’t happen because of a huge snowstorm […]

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