TNPSC Thervupettagam

World’s Smallest Pixels

May 16 , 2019 1893 days 721 0
  • According to the research published in the journal ‘Science Advances’ scientists have created the world's smallest pixels.
  • These pixels are million times smaller than typical smartphone pixels.
  • They can be seen in bright sunlight and are thus energy efficient.
  • These pixels are made of tiny particle of gold (size - few billionths of a metre).
  • These grains are stuck on reflective surface with thin sticky coating of polyaniline.
  • This coating changes chemically when electrically switched, causing the pixel to display all colours across the spectrum.

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