
148 Process Techniques for Engineering High-Performance Materials
In the late 1990s, American cigarette companies were faced with yet
another health concern. Unacceptable levels of nitrosamines (a family of
carcinogens) were detected in tobacco purchased from U.S. farms. The raw
RULE #53 QUESTION ALL ASSUMPTIONS. NEVER
OVEREXTRAPOLATE GOOD NEWS
Here be dragons
Many people falsely assume that favorable test results in some aspects
of an application predict safety and effectiveness across all situa-
tions. In fact, subset applications can react very differently than the
mainstream. The worst outcomes may not become evident until long
after the fact. ...