1999 Gallery

Soccer - Rangers

Jorg Albertz, Rangers

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Action

Art of Schrodingers Cat experiment

Schrodinger's Cat. Computer artwork depicting the famous "Schrodinger's Cat" thought experiment. The image shows a cat both dead (grey) and alive (ginger) inside a box on a starfield background. The orbitals of a radioactive isotope are superimposed over the cat. In this hypothetical situation, the cat is thought to be both alive and dead until observed. This is because a quantum event (the decay of a radioac- tive particle) is set up to trigger the release of a lethal poison from a vial (not seen here) that kills the cat. According to quantum physics, the unstable particle exists in an intermediate "probabilistic" state until it is observed

© VOLKER STEGER/SCIENCE PHOTO LIBRARY

CDF particle detector, Fermilab

MODEL RELEASED. CDF particle detector at the Fermi National Accelerator Laboratory (Fermilab) near Chicago, USA. The CDF (Collider Detector Facility) records subatomic particles created in high-energy proton-antiproton collisions in the Tevatron coll- ider. It co-discovered the top quark in 1994. Here the detector is partly disassembled between operation runs. The black segments (left) are part of the outer muon chambers. The red areas are part of the magnet which bends charged particles travelling out from the collision point. The blue segments (right) are part of the hadron calorimeter. When in use these parts are closed tightly together. Photographed in 1998. The physicist is ROB ROSER

© DAVID PARKER/SCIENCE PHOTO LIBRARY