It’s mass for the masses. A tabletop device makes the new definition of the kilogram more accessible. Previously, the kilogram had been equal to the mass of a special metal cylinder kept in a vault ...
Come from away: photos of some of the many DIY Kibble balances around the world that were inspired by the LEGO balance built at NIST. (Courtesy: B Hayes/NIST) We do love a good LEGO story here at ...
Until 2018, the SI unit of mass, the kilogram, was defined as the mass of a real object: the International Prototype Kilogram, kept in a secure facility in the outskirts of Paris. On November 16, 2018 ...
In measuring Planck's constant with the NIST Kibble balance, researchers carefully measured the effects of the magnetic field that is generated to counteract the weight of masses. In their experiments ...
My father, Bryan Kibble, who has died aged 77, was a world-leading physicist and metrologist. He spent his life working on measurement standards and invented the watt balance, now renamed as the ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results