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Suction cup

One cup suction lifter.

A suction cup, also known as a sucker, is an object that uses the negative fluid pressure of air or water to stick to surfaces, creating a partial vacuum.[1]

Suction cups are inspired by the ones used by octopuses and squids.[2]

Suction Cup Media

  • A suction cup

  • The pressure on a suction cup, as exerted by collisions of gas molecules, holds the suction cup in contact with the surface.

  • Suction cup pressed on a window

  • SatNav devices often ship with suction cup holders for mounting on windscreens.

  • GoPro camera attached to car with suction cup

References

  1. ↑ ""Suction Cup" m-w.com". Merriam Webster: An Encyclopædia Britannica Company. Retrieved 2012-06-01.
  2. ↑ "Well-Armed Design: 8 Octopus-Inspired Technologies". livescience.com. Retrieved July 30, 2015.
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