This article from NASA delves into the strange behavior of bagged blocks of coffee. A vacuum-sealed package of coffee will change from a hard brick to a soft pile of ground beans when exposed to air. The article explains why NASA scientists want to study granular materials and some of the problems faced by researchers.
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Keywords:Informal Education,coffee,Higher Education,NSDL,Modern Physics,Technology,Chaos & Non-linear Dynamics,Undergraduate (Lower Division),granular materials,High School,NSDL_SetSpec_439869,Vocational/Professional Development Education,Applications of Newton's Laws,oai:nsdl.org:2200/20091007192311640T,Physics,Classical Mechanics
Access Privileges:Public - Available to anyone
License Deed:Creative Commons Attribution Non-Commercial Share Alike