Webb's mid-infrared spectroscopy will reveal molecules, elements

NASA's James Webb Space Telescope team continues to work its way through the 17 science instrument modes. This week they checked off numbers (5) NIRCam grism time series and (4) imaging time series, both used to study exoplanets ...

Two-micron fill tubes fill two needs

Lawrence Livermore National Laboratory's National Ignition Facility (NIF) and General Atomics engineers have created an inertial confinement fusion (ICF) fuel capsule with a two-micron-diameter fill tube—and along the way, ...

Can we have a fire in a highly vacuumed environment?

Toyohashi University of Technology researchers have discovered that non-flaming combustion (smoldering) of a porous specimen can be sustained, even under nearly 1 percent of atmospheric pressure. The thermal structure of ...

China court 'bans sales' of chips from US firm Micron

A Chinese technology firm embroiled in a patent dispute with US chip giant Micron said Wednesday that a court had ruled in its favour and ordered an immediate halt of several Micron products in China.

NRI to lead new five-year effort to develop post-CMOS electronics

The National Institute of Standards and Technology (NIST) announced today the selection of the Nanoelectronics Research Initiative (NRI), a collaboration of several key firms in the semiconductor industry, to support university-centered ...

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A micrometre is one-millionth of a metre (1/1000 of a millimetre, or 0.001 mm). Its unit symbol in the International System of Units (SI) is μm.

The term micron and the symbol μ, representing the micrometre were officially accepted between 1879 and 1967, but officially revoked by the ISI in 1967.

In practice, micron is a widely used term in preference to micrometre in many English-speaking countries, and in American English the use of the term helps differentiate the unit from the micrometer, a measuring device, which would otherwise be spelled as a homonym with micrometre. The term micron has particular currency in science, and is extensively used in most English-speaking countries in the fields of geology, biology, physics, astronomy, and the semiconductor industry.

The micrometre is a common unit of measurement for wavelengths of infrared radiation.

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