Mass Current Affairs, GK & News
Normal lenses such as the ones used in a magnifying glass or a pair of spectacles bends the light rays that pass through them by refraction and focuses the light somewhere (such as in your eye). Gravitational lensing is among the first evidences of Albert Einstein’s general theory of relativity – simply put, mass bends light. The gravitational field of a massive ..
Topics: Astrophysics • Dark matter • Exotic matter • Galaxy • General relativity • Gravitational lens • Gravitational lensing • Large-scale structure of the cosmos • Mass • Natural sciences • Physical sciences • Physics
International Bureau of Weights and Measures (BIPM) had decided that the kilogram will no longer be pegged to this cylinder made of 90% platinum and 10% iridium. Background In the last 60 years, several standard units — the second, metre, ampere, Kelvin, mole, candela and, the kilogram — have all ceased to be defined by ..
Topics: Force • International System of Units • Kibble balance • Kilogram • Law by country • Mass • Measurement • Measuring instruments • Metrology • Planck constant • Politics by country • Units of mass