Framed Prints
Framed Print of Discovery of the Positron, 1932
Discovery of the Positron, 1932 First evidence existence of positron single track antiparticle of electron from California Institute of Technology; Cloud Chamber; adduced by C.D. Anderson's photo, 1932. Carl David Anderson (September 3, 1905 - January 11, 1991) was an American physicist. Under the supervision of Robert Millikan, he began investigations into cosmic rays during the course of which he encountered unexpected particle tracks in his cloud chamber photographs that he correctly interpreted as having been created by a particle with the same mass as the electron, but with opposite electrical charge. This discovery, announced in 1932 and later confirmed by others, validated Paul Dirac's theoretical prediction of the existence of the positron. For this work, Anderson shared the 1936 Nobel Prize in Physics with Victor Hess. Also in 1936, Anderson and his first graduate student, Seth Neddermeyer, discovered the muon (mu-meson), a subatomic particle 207 times more massive than the electron, but with the same negative electric charge and spin 1/2 as the electron, again in cosmic rays. He spent all of his academic and research career at Caltech. He died in 1991 at the age of 85. © Researchers, Science History Images
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Media ID 41565862
1930s 1932 Anderson Colorized Discovery Enhancement Important Nobel Prize Notable Physicist Physics Well Known
Modern Frame 14"x12" (36x31cm)
Ready to Hang Contemporary Framed Prints adds style, protection, and a polished touch to your space - effortlessly.
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Wood effect frame, card mounted, 10x8 fade resistant photo print. Overall outside dimensions 14x12 inches (36x31cm). Environmentally and ozone friendly, 40mm wide x 15mm Polycore® moulding has the look of real wood, is durable and light and easy to hang. Biodegradable and made with non-chlorinated gases (no toxic fumes) it is efficient; producing 100 tons of polystyrene can save 300 tons of trees! Prints are glazed with lightweight, shatterproof, optical clarity acrylic (providing the same general protection from the environment as glass). The back is stapled hardboard with a sawtooth hanger attached. Note: measurements provided are estimated outer dimensions, which include both the image and the frame. While we aim to keep sizing consistent, exact dimensions may vary slightly due to differences in print size or production requirements, which may result in a variation in the overall size (up to approximately 2.5cm (1"))
These are individually made so all sizes are approximate
Estimated Image Size (if not cropped) is 19.6cm x 19.3cm (7.7" x 7.6")
Estimated Product Size is 36cm x 31cm (14.2" x 12.2")
