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Keywords:

  • Dark energy;
  • non-Newtonian gravity force;
  • Casimir force;
  • short-range gravitational forces;
  • nanonewton force facility;
  • microtechnology;
  • yukawa attractor

An experiment to test Newton's law of gravity at micro- and submicrometer distances using a nanonewton force facility at PTB and modern microtechnologies is proposed. It is anticipated that the proposed method can advance the search for non-Newtonian gravity forces via an enhanced sensitivity of 103 to 104 in comparison to current experiments at the micrometer length scale.