DOESciDAC ReviewOffice of Science
ISSN: 1935-0570

Cover story: Interview with Tony Hey, p8

Front cover: Molecular dynamics simulation of confinement and dispersion of small molecules within carbon nanostructures, mimicking the dynamics of electrolytes in porous carbon materials. The visualization was generated by the SciDAC code VisIt.   Simulation: Dr. Vincent Meunier, ORNL.
Visualization: J. Meredith and S. Ahern, ORNL.

Back cover: Celebrating science at the petascale, p66.

CONTENTS
ISSUE 12 SPRING 2009
4
NEWS
SciDAC News, Activities, and Announcements
8
INTERVIEW: TONY HEY COVER STORY
Collaborative Science in the Age of Ultrascale Computing
Tony Hey, formerly director of the UK eScience initiative, is now the Corporate Vice President of External Research at Microsoft.
12
ULTRA-SCALE VISUALIZATION  
Next-Generation Visualization Technologies: Enabling Discoveries at Extreme Scale

The SciDAC Institute for Ultra-Scale Visualization aims to enable extreme-scale knowledge discovery by advancing the state of visualization technologies.

22
Q-SIMAN
Probing the Properties of Water through Advanced Computing
A team of researchers is using first-principles simulations to investigate water at the microscopic level and how the properties of this ubiquitous liquid are modified at the nanoscale.
32
SCIENTIFIC VISUALIZATION
Visualizing Science: The OptIPuter Project
The goal of the OptIPuter project is to develop innovative methods for scientists to explore very large remote data objects in an interactive and collaborative fashion.
42
EARTH SYSTEM GRID
The Planet at Their Fingertips: Climate Modeling Data Heats Up
The SciDAC-2 Earth System Grid Center for Enabling Technologies devised a revolutionary technology for data facilitation and is creating a worldwide repository and access system.
54
HARDWARE
Specialized Hardware for Supercomputing
The GRAPE and GRAPE-DR hardware, developed at the Center for Computational Astrophysics, National Astronomical Observatory of Japan, are alternatives to typical supercomputing architecture.
66
EDITORIAL: DR. THOMAS ZACHARIA
Celebrating Science at the Petascale
Dr. Thomas Zacharia of the SciDAC Review Editorial Board discusses scientific discovery in the age of petascale computing.
68
BACK COVER
Celebrating science at the petascale.
Published by IOP Publishing in association with Argonne National Laboratory, for the US Department of Energy, Office of Science. Copyright © 2009 by IOP.