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The curious and the curiosity
Emilio Segre was known as a scientist with a mind always in motion. His achievements include the co-discovery of antiproton, an antiparticle having the same mass as a proton but opposite in electrical charge, for which he won the Nobel Prize for Physics in 1959. With Enrico Fermi, he discovered slow neutrons, which have properties important to the operation of nuclear reactors. Segre also discovered technetium and astatine.
The Department of Energy's multi-mission Radioisotope Thermoelectric Generator (RTG) will provide continuous power to the Mars rover Curiosity. The Multi-Mission RTG was constructed, assembled and tested by the Department and the Idaho, Oak Ridge, Los Alamos and Sandia National Laboratories. The RTG has supported many space missions, including the Apollo missions to the Moon, the Viking missions to Mars, and the Pioneer, Voyager, Ulysses, Galileo and Cassini missions to the outer solar system.