For the last 30 years, the official U.S. standard for measuring pressure has been a 3-meter-tall (about 10-foot) device called a manometer. American industry relies on the U.S. pressure standard for everything from silicon chip […]
NIST NEWS, May 16, 2019 Physicists have demonstrated a new way to obtain the essential details that describe an isolated quantum system, such as a gas of atoms, through direct observation. The new method gives […]
NIST News, May 6, 2019 Ordinarily, you won’t encounter a radiation thermometer until somebody puts one in your ear at the doctor’s office or you point one at your forehead when you’re feeling feverish. But […]
NIST News, February 25, 2019 In collaboration with industry, researchers from the National Institute of Standards and Technology (NIST) have made the first portable prototype of the Fixed-Length Optical Cavity (FLOC), a device that uses […]
Dr Peter Thompson, CEO at the National Physical Laboratory (NPL), delivered a speech on the importance of international collaboration in addressing global pollution during a signing ceremony of a Memorandum of Understanding (MoU) Addendum, with […]
Versailles, France—A convocation of delegates representing 60 countries voted today in Versailles to implement the most significant change to the International System of Units (SI) in more than 130 years. For the first time, all […]
PTBnews 3.2018 – PTB is developing a measuring system based on pulse-driven Josephson voltage standards. This system is designed to allow alternating voltages to be measured with great accuracy at frequencies of up to 100 […]
PTBnews 3.2018 – A novel measurement setup has been developed at PTB for the primary calibration of ultrasonic hydrophones. Hydrophones are sensors used to determine ultrasonic pressure wave in liquid media. They are mainly used […]
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