World’s Smallest Light Powered Engine Has Been Developed by Scientists


Cambridge University Scientists have developed the world’s smallest (nanoscale) working engine. And the research team was directed by Professor Jeremy Baumberg from the Cavendish Laboratory.

The microscopic engine has been named as ANTs (Actuating Nano-Transducers).

Key facts

  • The nanoscale engine is impartial a few billionths of a metre in size and usages light to power itself.
  • The model engine was made of tiny charged particles of gold.
  • It was certain with temperature-responsive gel-like polymer termed pNIPAM.
  • On central heating the engine overhead critical temperature with a laser it stores large quantities of elastic energy in a fraction of a second.
  • The adaptable energy is primarily produced after the gold particles are certain strongly together with the polymer through intermolecular magnetism.
  • The polymer rapidly captivates water and increases and the gold particles are strapped fast apart like a spring when it drops below critical temperature.
  • This warehoused energy produces a propulsive strength on an infinitesimal scale that is a hundred times better per unit heaviness than any known motor or muscle.
  • Importance is the nanoscale engine could procedure the basis of future nano-machines.
  • This engine can help to circumnavigate in water, even arrive living cells to fight illness or intelligence the atmosphere around them.

- Published/Last Modified on: May 5, 2016