News

Establishment of a CCTF Task Group to address progress towards a continuous UTC – BIPM

October 19, 2023 Office

The 27th meeting of the CGPM (2022) adopted Resolution 4 On the use and further development of UTC. Subsequently, the CCTF Working Group on Strategic Planning established a task group (TG) in May 2023 to […]

NCWM and NIST Enter Agreement Defining Roles for the Future | NCWM

October 13, 2023 Office

September 19, 2023 The two national organizations responsible for how every product in the economy is weighed and measured have forged a historic agreement outlining how they will work together to serve manufacturers and customers […]

NPL makes history with first UK optical clock to contribute to determining International Atomic Time – NPL

September 28, 2023 Office

Calculating TAI is a major resource for determining Coordinated Universal Time (UTC), the shared international reference time scale that countries worldwide use to synchronise clocks. Without UTC in place as the world’s agreed consistent time-base, […]

NIST Demonstrates a New ‘Primary Standard’ for Measuring Ultralow Pressures | NIST

September 26, 2023 Office

A vacuum chamber is never perfectly empty. A small number of atoms or molecules always remain, and measuring the tiny pressures they exert is critical. For instance, semiconductor manufacturers create microchips in vacuum chambers that […]

IEST Revises Recommended Practice for Considerations in Cleanroom Design

August 11, 2023 Office

CHICAGO, August 11, 2023 — The Institute of Environmental Sciences and Technology (IEST) announces new revisions to IEST-RP-CC0012.4: Considerations in Cleanroom Design. This Recommended Practice (RP) makes recommendations regarding factors to consider in the design of […]

Establishment of a CCTF Task Group to address progress towards a continuous UTC – BIPM

NCWM and NIST Enter Agreement Defining Roles for the Future | NCWM

NPL makes history with first UK optical clock to contribute to determining International Atomic Time – NPL

NIST Demonstrates a New ‘Primary Standard’ for Measuring Ultralow Pressures | NIST

IEST Revises Recommended Practice for Considerations in Cleanroom Design

At ORNL, 18 nuclear analytical chemistry methods get international stamp of approval | ORNL

Domestic gas meters suitable for hydrogen – PTB.de

How effective are solar modules? – PTB.de