Issues
Search and Discovery
Skepticism Greets Claim of Bubble Fusion
Researchers report evidence that fusion has occurred within collapsing bubbles of deuterium-containing vapor. Critics would like to see more definitive proof.
How Fast Could Tyrannosaurus rex Run?
A new biomechanics model finds that T. rex lacked large enough leg muscles to run fast.
Sodium Detected in the Atmosphere of an Extrasolar Planet
As predicted by models, sodium atoms in the atmosphere of a remote planet are abundant enough that researchers have been able to see them. But they’re also scarce enough to prompt some rethinking of the models.
Letters
Correction
Issues and Events
University Research Reactors Compete for DOE Handouts
Are nuclear science and engineering poised to rebound?
DOE Will Stop Funding Particle Physics at Brookhaven Accelerator
If AGS funding is restricted to nuclear physics, two ongoing experiments will be abruptly axed.
Bonanza for Selected Science in Ireland
Ireland’s new NSF-inspired funding agency has more money than scientists had dared hope for.
News Notes
Special Report
Terrorism Drives Bush R&D Money to Defense and NIH; Other Science Funding Flat in Fiscal 2003
The physical sciences are an also ran in the Bush administration’s priorities for science spending, but many in Congress hope to restore balance to the government’s science portfolio.
Special Issue
Meeting Energy Challenges: Technology and Policy
Effectively addressing today’s energy challenges requires advanced technologies along with policies that influence economic markets while advancing the public good.
Physics in Oil Exploration
Petroleum engineers use a variety of physical techniques to find and exploit petroleum reservoirs in increasingly remote and complicated geological environments.
New Designs for the Nuclear Renaissance
The next generation of nuclear power plants could help satisfy the world’s energy needs and support a hydrogen-based economy.
Renewable Energy: Progress and Prospects
After 25 years of dramatic technical progress, renewable energy technologies now have the potential to become major contributors to US and global energy supplies.
Hydrogen: The Fuel of the Future?
Available hydrogen technologies can dramatically reduce pollution and greenhouse gas emissions. But the switch to hydrogen fuel will require strong political will.