Phase-contrast microscopy (PCM) is an optical microscopy technique that converts phase shifts in light passing through a transparent specimen to brightness changes in the image. Phase shifts themselves are invisible, but become visible when shown as brightness variations.
invented by Andrei D. Sakharov Igor E. Tamm
A tokamak (/ˈtoʊkəmæk/; Russian: токамáк) is a device which uses a…
invented by Xerox PARC
Object-oriented programming (OOP) is a programming paradigm based on the…
invented by Tim Berners-Lee
The World Wide Web (WWW), commonly known as the Web, is an information system…
invented by CERN
A touchscreen or touch screen is the assembly of both an input (‘touch…
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