Revolutionaries
 Roger Bacon, (c. 1214–1294), was an English philosopher who emphasized
empiricism when studying nature; he is sometimes credited as one of the earliest
European advocates of the modern scientific method.
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Claims of cell phones causing brain cancer are becoming common. An examination of the basic properties
of electromagnetic radiation and suntanning shows that this cannot be true.
Gain some practice with the Laws of Physics by applying them to some puzzles and movie plots.
We examine what a scientific theory is and how it differs from the usual English meaning of the word.
The physics behind the interaction of radiation and matter tells us that cell phones cannot
cause cancer. So why does the idea persist? We dig into the history of radiation and cancer
to find out why.
The journal Science is reporting that two studies claiming that radiation from cell
phones can cause DNA damage are fraudulent.
Write an op-ed about climate change and you get a lot of emails and questions.
Here are the answers!
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