Uncategorized
- Physics
Sandcastle Physics
Just about anyone can build a sandcastle out of wet sand. Why sand behaves as it does–on the beach, during earthquakes, at low pressures–isn’t yet fully understood. A NASA space shuttle experiment is now slated to tackle details of what happens when sand is compressed. Go to: http://science.nasa.gov/headlines/y2002/11jul_mgm.htm
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19091
This article is highly deceptive in implying that avid recyclers are responsible for more dioxin in backyard burning. True, the article does say that’s per pound of trash burned. But how many fewer pounds of trash per person per year do these people burn? In reality, many people who are avid recyclers are probably also […]
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From the January 25, 1930, issue
IF AMERICA HAD NOT BEEN DISCOVERED The suggestion that ancient America appears to parallel ancient Europe rather remarkably was made recently by Dr.
