Draft:Space Cup

Space Cup floating in the ISS Cupola

The Space Cup, also known as the Zero G Cup, is an open container cup that functions in the weightlessness of space. Invented by NASA astronaut Donald Pettit, it holds the first patent for an object wholly invented in space, and thereby is the first legal invention from off Earth.[1]

The cup is engineered to function in the microgravity environment of space, enabling astronauts to drink liquids more naturally compared to using traditional methods such as squeeze bottles or straws.[2]

History and development

In the microgravity conditions of space, liquids behave differently than on Earth due to the lack of a strong gravitational force. On Earth, gravity pulls liquids to the bottom of a container, allowing them to be easily sipped or poured. In space, liquids tend to form floating globules, making it challenging to drink using conventional cups.[3]

Don Pettit, an American chemical engineer and NASA astronaut, invented and developed the Space Cup during his time aboard the International Space Station (ISS).[4]

He developed a design that utilizes the capillary action—a phenomenon where liquid can flow in narrow spaces without the assistance of external forces like gravity. This channel allows liquid to be drawn up and held against the inner surface of the cup due to surface tension and adhesion forces.[5]

Impact and legacy

The Space Cup has routinely gone viral for its unique origin and design, and has been the subject of numerous research papers.[6] [5] It was featured in the May 2009 issue of National Geographic magazine.[7] [8]

The cup received the first ever patent for an object invented in space.[9]

References

  1. ^ https://ntrs.nasa.gov/api/citations/20120006525/downloads/20120006525.pdf
  2. ^ https://svs.gsfc.nasa.gov/11412/
  3. ^ https://ntrs.nasa.gov/api/citations/20120006504/downloads/20120006504.pdf
  4. ^ "#WhyIMake | Don Pettit". YouTube. InfoSys Foundation USA. February 6, 2018. Retrieved May 22, 2024.
  5. ^ a b Pettit, Donald R.; Weislogel, Mark; Concus, Paul; Finn, Robert (October 1, 2011). "A Zero-Gravity Cup for Drinking Beverages in Microgravity". NASA Tech Briefs, October 2011 – via ntrs.nasa.gov.
  6. ^ "Fig. 2 The Capillary Beverage experiment "science". a Space cup with..." ResearchGate.
  7. ^ Charlie White. "Astronaut invents coffee cup for a weightless cup o' joe". Archived from the original on 2011-07-23. Retrieved 2009-08-31.
  8. ^ "The Zero Gravity Coffee Cup | Science Mission Directorate". Archived from the original on 2018-09-10.
  9. ^ US 20110101009A1, Donald Roy Pettit, Mark Milton Weislogel, Paul Concus, Roberl Finn, "Beverage cup for use in spacecraft or weightless environments", published 2011-05-05, issued 2011-12-13 

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