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The Nobel Prize

@NobelPrize

The official Twitter feed of the Nobel Prize @NobelPrize #NobelPrize

calendar_today26-09-2008 08:47:58

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The Nobel Prize
@NobelPrize

6 years ago

Sketch by Ernst Ruska (dated 9 March 1931) of the cathode ray tube for testing one-stage and two-stage electron-optical imaging by means of two magnetic electron lenses (electron microscope).

Sketch by Ernst Ruska (dated 9 March 1931) of the cathode ray tube for testing one-stage and two-stage electron-optical imaging by means of two magnetic electron lenses (electron microscope). #NobelPrize
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