February 2007
November 2006
JimBechtel.com
Personal site of Jim Bechtel
Skeptic : The Skeptics Society & Skeptic magazine
by 2 othersThe Skeptics Society is a scientific and educational organization of scholars, scientists, historians, magicians, professors and teachers, and anyone curious about controversial ideas, extraordinary claims, revolutionary ideas, and the promotion of sci...
James Randi Educational Foundation — Home Page
by 5 othersThe James Randi Educational Foundation is a non-profit learning resource aimed at promoting critical thinking everywhere.
Crackpot chemistry water treatment
A retired chemistry prof's critical take on miscellaneous goofy and crackpot water-treatment schemes and scams.
1
(7 marks)