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Gauging the Hue of the Sea

The world's oceans face multiple threats, and fisheries, marine biologists, and environmental scientists need accurate and timely data about changing conditions

Earth Science: Seeing the Surface Clearly

Satellite observation has revolutionized our understanding of terrestrial conditions and climate dynamics. But the measurement science is extremely demanding

Tiny Magnetic Sensor Deemed Attractive

Ultra-sensitive magnetic sensor technology pioneered at PML may soon be commercialized for a host of applications from detection of unexploded bombs and

Protecting Vacuum Gauges: Patent Pending

PML researchers have applied for a provisional patent on a device to protect expensive "spinning-rotor" high-vacuum gauges – used as transfer standards and

Trouble with a Capital 'G'

NIST has taken part in a new push to address a persistent and growing problem in physics: the value of G. The Newtonian constant of gravitation, used to