Zero G Coffee Cup
The zero-gravity coffee cup is an invention by astronaut Donald Pettit, notable for being the first patent for an object invented in space, and thereby 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.[1]
Don Pettit, an American chemical engineer and NASA astronaut, came up with the idea of the zero-g coffee cup during his time aboard the International Space Station (ISS).[3] After several iterations, 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.[1]
Impact and legacy
The Zero G Cup was featured in the May 2009 issue of National Geographic magazine.[4][5]
The cup has also gone viral, drawing attention for its unique function and shape.[6]
The cup received the first ever patent for an object invented in space.[7]
See also
References
- ↑ 1.0 1.1 1.2 Pettit, Donald R.; Weislogel, Mark; Concus, Paul; Finn, Robert (October 2011). "A Zero-Gravity Cup for Drinking Beverages in Microgravity" (PDF). NASA Tech Briefs, October 2011.
- ↑ Sharghi, Kayvon (5 December 2013). "NASA Scientific Visualization Studio | Drinking in Zero Gravity". NASA Scientific Visualization Studio.
- ↑ "#WhyIMake | Don Pettit". YouTube. InfoSys Foundation USA. February 6, 2018. Retrieved May 22, 2024.
- ↑ White, Charlie. "Astronaut invents coffee cup for a weightless cup o' joe". DVICE. Archived from the original on 2011-07-23. Retrieved 2009-08-31. Unknown parameter
|url-status=ignored (help) - ↑ Phillips, Tony (July 15, 2013). "The Zero Gravity Coffee Cup | Science Mission Directorate". NASA. Archived from the original on 2018-09-10. Unknown parameter
|url-status=ignored (help) - ↑ "Special coffee cup designed to never spill in space has everyone pointing out what it looks like". 19 April 2024.
- ↑ US 20110101009A1, Donald Roy Pettit, Mark Milton Weislogel, Paul Concus, Robert Finn, "Beverage cup for use in spacecraft or weightless environments", published 2011-05-05, issued 2011-12-13
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