George Duvall, 82, whose groundbreaking work advanced scientists’ understanding of shock-wave physics, died Jan. 6 of unspecified causes. Duvall pioneered the study of shock-wave propagation in solids ...
Physicists predicted the Hubble Space Telescope would see a rising vapor plume as the Shoemaker-Levy 9 comet crashed into the far side of Jupiter in 1994. And sure enough, the plume produced by the ...