Brightsurf Science News & Current Events

March 19, 1997
Reaching New Heights In Global Change Research At ORNL
Researchers at the Department of Energy's Oak Ridge National Laboratory are simulating the environment of the future by releasing controlled amounts of carbon dioxide into the atmosphere over a small patch of sweetgum trees.

New Theory Explains Quick Switch in Switchable Mirrors
University of Cincinnati physicist will discuss a new theory which can explain the unusual transition from mirror to window in rare earth hydrides during the annual meeting of the American Physical Society March 19 in Kansas City.

ORNL Researchers Developing Cost-Effective Ceramic Valves For Advanced Heat Engines
Researchers at the Department of Energy's Oak Ridge National Laboratory have participated in the development of ceramic valves that offer longer life and better durability.

Smallest Force Measurement Reported
Scientists at Stanford University and IBM Almaden Research Center report the first known measurement of forces in the atto-newton (billionth of a billionth of a pound) level: forces too weak to budge a blood cell.A presentation at the American Physical Society meeting in Kansas City

Meteorite Study Shows Glimpse Of Red Planet's Ancestry
While the controversy continues over whether a Martian meteorite bears evidence of ancient life on Mars, a Purdue University scientist says the rocky fragments can tell us something about the early life of the planet itself.

Virtual Reality Simulation To Hone Hostage Rescue Techniques
To widen access to hostage-rescue training, lessen its cost yet broaden its focus, a virtual reality simulation that allows two-person law enforcement teams to grip guns, don virtual reality glasses, and burst into the harsh environment of hostage-takers and their victims has been created in prototype by researchers at Sandia National Laboratories

Henry Ford Study Finds That Denial May Kill Cardiac Patients
DETROIT -- We've all heard that anger can kill. Yet for cardiac patients, perhaps denial of anger is even more deadly.

Bulimia Study Reveals Problems Run Deeper Than Just Overeating
Preliminary findings confirm that bulimia isn't just about over-eating. Bulimics exhibit a host of physiological and psychological abnormalities including abnormal blood pressure, poor response to stress, other illnesses and low self-esteem

Laser Shown Effective In Patients Who Are Not Candidates For Bypass Surgery Or Angioplasty
A laser that pierces new blood-carrying channels into ailing heart muscle is an effective new therapy for coronary artery disease patients who have exhausted all other conventional forms of treatment, according to the results of a recently completed multi-center clinical trial
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