New portable vacuum standard

A novel Portable Vacuum Standard (PVS) has been added to the roster of NIST's Standard Reference Instruments (SRI). It is now available for purchase as part of NIST's ongoing commitment to disseminate measurement ...

13 hours ago
5 / 5 (3) 0

Weighing gas with sound and microwaves

NIST scientists have developed a novel method to rapidly and accurately calibrate gas flow meters, such as those used to measure natural gas flowing in pipelines, by applying a fundamental physical principle: ...

13 hours ago
5 / 5 (3) 0

Man takes responsibility for drone over White House

A small drone flying low to the ground crashed onto the White House grounds before dawn Monday, triggering a major emergency response and raising fresh questions about security at the presidential mansion. ...

12 hours ago
4.7 / 5 (3) 2