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Home > All Images > 1999 > March > 26 Mar 1999

Images Dated 26th March 1999

Choose from 7 pictures in our Images Dated 26th March 1999 collection for your Wall Art or Photo Gift. All professionally made for Quick Shipping.


Cockroft-Walton generator, Fermilab Featured 26 Mar 1999 Image

Cockroft-Walton generator, Fermilab

MODEL RELEASED. Cockroft-Walton generator at Fermi National Accelerator Laboratory (Fermilab), near Chicago, USA. The generator forms the first stage of subatomic particle acceleration. Electrons are added to hydrogen atoms in an ion source inside the generator, resulting in hydrogen ions (a proton with two electrons) emerging from the high voltage accelerator with an energy of 750 thousand electronvolts (KeV). The protons travel through increasingly powerful accelerators before entering the Tevatron proton-antiproton collider. Here, a technician is grounding any remaining electricity as a safety precaution after the generator has been used. Photographed in 1998. Accelerator operator is MARTY MURPHY

© DAVID PARKER/SCIENCE PHOTO LIBRARY