Heinlein got much less "hard sf" as he got older and his own engineering
background got more and more out of date. Much of his early sf,
particularly the short stories, was very tech oriented.
Mike
Michael M. Levy levym@uwstout.edu
Department of English levymm@uwec.edu
University of Wisconsin-Stout off. ph: 715-834-6533
Menomonie, WI 54751 hm. ph: 715-834-6533
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