Distinguished authors discuss topics in physical oceano-
graphy, transonic aerodynamics, dynamics of vorticity,
numerical simulation of turbulent flows, astrophysical jets,
strange attractors, human-powered flight, and thefluid
mechanics of the Old Faithful geyser and of the Mount St.
Helens eruption of 1980. The authors deal with specific
problems, but the emphasis is usually on the way that re-
search is carried out at the edge of understanding, and
often on the role of new techniques, instruments, and re-
search strategies.

Inhalt
Methods for exploring the large-scale ocean turbulence.- Astrophysical jets.- Natural and artificial flying machines.- The role of cartoons in turbulence.- Early transonic ideas in the light of later developments.- Perspectives in vortex dynamics.- Dynamical system theory and simple fluid flow.- Turbulence research by numerical simulation.- Geologic nozzles.