Geek Quote of the Day
Why won’t they let a year die without bringing in a new one on the instant, can’t they use birth control on time? I want an interregnum. The stupid years patter on with unrelenting feet, never stopping – rising to little monotonous peaks in our imaginations at festivals like New Year’s and Easter and Christmas – But, goodness, why need they do it?
- - John Dos Passos, American author and playwright, 1917.
1939
The first hearing aid to use a transistor goes on sale, the model 1010 manufactured by the Sonotone Corporation in Elmsford, New York. It weighs 3.5 oz, measures 3″ x 1.5″ x 0.6″ and costs US$229.50. It consists of two sub-miniature pre-amplifier tubes and a single transistor as the final audio amplifier. The devices uses both pre-amplifier tubes and a transistor because the tubes have a superior signal to noise ratios compared to early junction transistors. Just months later, transistor production techniques will be greatly refined, eliminating noise, and these hybrid models will soon after be discontinued.
The world’s first movie theater opens in the Salon Indien at the Grand Café in Paris, France. The theater makes use of a portable film camera and a functional projector, the