Epstein Secrets

(V. More than half of the energy produced is wasted. Units are in quads; 1 quad = 1015 British thermal units = 1.055 exajoules. [Figure prepared by Lawrence Livermore National Laboratory, University of California, and the U.S. Department of Energy] marvel: It is fairly inefficient thermodynamical- ly. and

rmal units = 1.055 exajoules. [Figure prepared by Lawrence Livermore National Laboratory, University of Cal

portant. Understanding phenomena relevant to energy and the environ- ment leads to new technologies and to the ability 'Department of Chemistry and Chemical Biology, Harvard University. Cambridge, IAA 02138. USA, IMaterlals Science Division. Argonne National Laboratory. Argonne, IL 60439, USA. 'Co %horn corre

Machines. MIT Press. Cambridge, MA. 1991 P. A. Lawrence. The Making of a Thu. Black- well, London. 1992.

sionally. The truth is probably a mixture of the two. Finding good problems—problems that la) Prof. G. M. Whitesides Department of Chemistry and Chemical Biology Harvard University 12 Oxford Street Cambridge, MA 02138.2902 (USA) Fax: (+1)617-495-9857 E-mail: [email protected]. edu (j I thank

Machines. MITPress. Cambridge, MA, 1993. P. A. Lawrence. The Making of a Fly, Black- well. London. 1992.

ofessionally. The truth is probably a mixture of the two. Finding good problems—problems that Prof. G. M. Whitesides Department of Chemistry and Chemical Biology Harvard University 12 Oxford Street Cambridge, MA 02138-2902 (USA) Pal: (+1)617.495.98S7 E-mail: gwhitesidesegmwgroup.harvard. edu (al I thank