In 2019, the International System of Units (SI) was redefined in terms of constants that relate to the natural world. This assures the future stability of the SI and opens the opportunity for the use of new technologies, ...
General Physics
Nov 15, 2022
0
2
The kilogram doesn't weigh a kilogram any more. This sad news was announced during a seminar at CERN on Thursday, 26 October by Professor Klaus von Klitzing, who was awarded the 1985 Nobel Prize in Physics for the discovery ...
General Physics
Nov 6, 2017
0
2599
Technische Universität Ilmenau and the Physikalisch-Technische Bundesanstalt (the National Metrology Institute of Germany) are developing a balance which is required for measuring the redefined kilogram that will be introduced ...
General Physics
Jun 20, 2017
0
18
When the kilogram, the world's basic unit of mass, gets a new definition in 2018, it will be based not on a physical artifact but a constant of nature. However, researchers will still need to "realize" the new definition, ...
General Physics
Nov 29, 2016
0
4
In a secure vault in the suburbs of Paris, an egg-sized cylinder of metal sits in a climate-controlled room under three glass bell jars. It is the mass against which all other masses in the world are measured - by definition ...
General Physics
Jun 21, 2016
13
1000
The nefarious Major Uncertainty has kidnapped Monsieur Kilogram, putting the world's measurements of mass in jeopardy. As the world spirals into "Mass Hysteria," the remaining SI Superheroes, champions of the metric system, ...
Other
Feb 4, 2016
0
7
(Phys.org)—A team of physicists at the National Institute of Standards and Technology (NIST) outside of Washington D.C. has found a way to bring physics to the masses—they've designed and built a watt balance based on ...
