Popcorn is very famous food
When we watch movie..
An average american eats 59 quarts(~56 liters) of popcorn every
year.
Popcorn shrimp --;
Contd.
He appeared as a photographer in the drama “popcorn” before “the tale of autumn”
Popcorn art..They sell it!
They like it, too
.. And ancient food
http://www.goodbrush.com
• America may be the first place where people eat popcorn.
• Indians introduced the popcorn to europeans
• Indians used the popcorn even as an accessory!
Basic Idea
• Water vapor expands rapidly when a corn is popped.
• Therefore, this is close to a perfect adiabatic process.
• How to make a ‘good’ popcorn?
Adiabatic expansion
(gamma for water vapor = 1.3)At time = 0
At time t_f when the expansion stops, P_Y
P_0
How to eat a sweet popcorn?
• http://www.popweaver.com/recipes.htm : recipes• http://www.popcorn.org/frames.cfm?main=encyclopedia/index.c
fm : recipes
• Keep corn kernel in the airtight container. (Because without moisture, the kernel can’t pop)
• Rehydrate “Old maids” Do you want to lose some weight? Then use dry popper(air, mesh, microwave) without seasonings. (only 30 calories per cup) Or use this.
강냉이 ?
• It’s a different kind of corn• The name came from 강남 in China • It doesn’t pop in the normal air
pressure.• We must use popping machine
which control the pressure. • High p Low p : POP!
References
• www.popcorn.org• W. J. da Silva, B. C. Vidal, M. E. Q. Martins, H. Vargas, C. Pereira
, M. Zerbetto & Luiz C. M. Miranda , What makes popcorn pop , Nature,362,417, (1993).
• Daniel C. Hong and Joseph A. Both, Controlling the size of popcorn, PhysicaA,289,557 (2001).
• Paul V. Quinn Sr., Daniel C. Hong, and J. A. Both, Increasing the Size of a Piece of Popcorn, 0409424, (2004).
• www.google.co.kr
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