| Sandpile style: Poured
or rained
Relatively compact,
laser-based accelerators may soon be used in medical treatments, isotope
production, and electronics manufacturing.
References:
Vanel, L. . . .
R.P. Behringer, et al. 1999. Memories in sand: Experimental
tests of construction history on stress distributions under sandpiles.
Physical Review E 60(November):R5040.
Further Readings:
1995. How sand
piles pull their own weight. Science News 148(Aug. 19):127.
Peterson, I.
1997. Dry sand, wet sand. Science News 152(Sept. 20):186.
Sources:
Robert P.
Behringer
Duke University
Department of Physics
049 Physics Building
Box 90305
Durham, NC 27708
Loïc Vanel
Université Pierre et Marie Curie
Laboratoire des Milieux Désordonnés et Héterogènes
CNRS UMR No. 7603, Case 86
4, Place Jussieu
75252 Paris cedex
France
From Science
News, Vol. 156, No. 23, December 4, 1999, p. 367. Copyright ©
1999, Science Service.
|