Archive: 03/30/2006

Measuring Electrical Arcs At the Micrometer Scale

Air is a great insulator—except when it becomes a conductor. Under the right conditions, miniature lightning bolts of electricity will “arc” through the air between two electrically conducting points. ...

Mar 30, 2006 3.3 / 5 (4) 0

Quantum Dot Method Rapidly Identifies Bacteria

A rapid method for detecting and identifying very small numbers of diverse bacteria, from anthrax to E. coli, has been developed by scientists from the National Cancer Institute (NCI) and National Institute of Sta ...

Mar 30, 2006 4.4 / 5 (8) 0

Frictionless motion observed in water

Researchers at the University of Southern California and Brown University say they have achieved near-frictionless motion in water by using lasers to spin a molecule like a propeller. Free rotation can occur ...

Mar 30, 2006 4.6 / 5 (37) 0