Subtle changes, big effects

"Does the flap of a butterfly's wings in Brazil set off a tornado in Texas?," Edward Lorenz, once famously wondered at the 139th meeting of the American Association for the Advancement of Science. Scientists have recently ...

Tracking down rust

(PhysOrg.com) -- Damage to concrete bridges caused by rust can have fatal consequences, at worst leading to a total collapse. Now, researchers have developed an early-warning system for rust. Sensor-transponders integrated ...