P.Mahesh is a scholar of Geography who has mentored more than 1000 students since 2010.
He has developed an analytical approach to deal with the nuances of Geography for UPSC Civil Services Examination from both - General Studies and Optional perspective.
24/12/2018
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climetology live class by P. mahesh sir Reed IAS is an organisation working for civil service Aspirants . This institute is devoted to help Hindi medium as well as English medium students and those...
Global metrology experts decide to drop traditional system
In 2019, the kilogram will get more accurate. For 125 years, a salt-shaker-sized cylinder housed at the Bureau International des Poids et Mesures (BIPM), Paris and weighing exactly a kilogram served as the definition of the measure. India’s National Physical Laboratory too has a replica of this, since 1957, and it has served as the reference for a variety of industries to keep their weights accurate.
However an international conference of heads of metrology institutes decided, on October 19 in Sevres, France, that the kilogram will no longer be pegged to this cylinder made of 90% platinum and 10% iridium.
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