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  • 21 Aug, 2019

  • By, Wikipedia

File:PositronDiscovery.jpg
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Captions

The first cloud chamber photograph of a positron's path

Items portrayed in this file

depicts

antimatter

positron

matter

media type

image/jpeg

inception

2 August 1932

File history

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Date/TimeThumbnailDimensionsUserComment
current19:12, 6 May 2013Thumbnail for version as of 19:12, 6 May 20132,408 × 2,374 (1.91 MB)QuibikCombined with a moire- and halftone-free but blurrier version that was also provided in the article. Much more accurate now.
18:10, 6 May 2013Thumbnail for version as of 18:10, 6 May 20132,500 × 2,500 (1.97 MB)QuibikRe-extracted the image from the source article in greater resolution, removed halftone & moiré and adjusted levels.
16:54, 3 May 2008Thumbnail for version as of 16:54, 3 May 2008848 × 755 (71 KB)HPaul{{Information |Description=Cloud chamber photograph of the first positron ever observed |Source=Physical Review, Vol.43, p. 491 |Date=March 15, 1933 |Author=Carl D. Anderson |Permission=obtained from American Physical Society, March 5, 2008 |other_version

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