Mano Singham's article raised the insightful observations that many
students accept physics theories without critical examination and that, in many
cases, physics teaching is like propaganda. I agree that, to promote
critical thinking, it might be helpful for us physicists to encourage
skepticism of what we say. However, the selective rejection of
well-founded scientific theories on the sole basis of personal religious
belief does not constitute critical thinking. To be a critical thinker,
one must subject all scientific theories to the same test. Although fluid
dynamics may not conflict with one's own religious belief, it should not
be accepted without question. Although evolutionary theory may conflict
with one's belief, the evidence must be weighed objectively. That so much
more skepticism surrounds evolutionary theory than other scientific
subjects shows both a lack of critical thinking and widespread irrational
religious fundamentalism.

Hoi-Kwong Lo
MagiQ Technologies Inc
New York, New York

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