Recent Comments
- BrianAC on A sticky problem with symbols
- Philip on A sticky problem with symbols
- Daniel Jackson on Two kinds of country?
- BrianAC on Two kinds of country?
- Daniel Jackson on Two kinds of country?
-
Subscribe comments via RSS
Meta
Categories
Tag Archives: Big K
New breakthrough for the kilogram
In this article about new scientific developments to redefine the kilogram and remove its link to a physical object, Ronnie Cohen writes about recent reports about a new scientific breakthrough in getting the most accurate estimate of Avogadro’s constant to … Continue reading
Posted in Consumer affairs, General, History, Science, Technical
Tagged atoms, Avogadro, Avogadro's, Big K, breakthrough, calibrate, calibration, compare, comparison, constant, copies, copy, crystals, cylinder, identical, iridium, kilogram, Le Grande K, Le Grande Kilo, mass, microgram, micrograms, mole, molecules, number, object, physical, platinum, precise, precision, research, Sevres, silicon, sphere, substance, weight
9 Comments