Uncategorized
- Humans
Moon Trees
In 1971, astronaut Stuart Roosa brought hundreds of tree seeds with him on the Apollo 14 flight to the moon. Known as “moon trees,” the resulting seedlings were planted throughout the United States and elsewhere. This Web site chronicles that project and documents what happened to those seedlings. Go to: http://nssdc.gsfc.nasa.gov/planetary/lunar/moon_tree.html
- Math
Puzzling Lines
Sol LeWitt’s “Four-Sided Pyramid” at the National Gallery of Art’s Sculpture Garden in Washington, D.C. I. Peterson LeWitt’s “Wall Drawing No. 623” at the National Gallery of Canada in Ottawa, Ontario. I. Peterson Born in Hartford, Conn., in 1928, artist Sol LeWitt has often featured geometric and combinatorial themes in his numerous creations. His frequent […]
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19191
I was shocked to read that now we need to be concerned not only with genetically modified organisms that we can see, but code-transgressing organisms that are invisible.
