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Alcman
Alcman , fl. 620 BC, Greek lyric poet of Sparta. He was the earliest writer of Dorian choral poetry whose work has survived. Short choral fragments and a longer one (part of a parthenion or choir song for girls) are extant. His verse, simple, clear, and musical, was often sung at festivals. ... Read more |
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compound microscope
Microscope, compound Microscopes have been in use in various forms for more than 3,000 years. The first microscopes were extremely simple magnifiers made of globes of water-filled glass or chips of transparent crystal. Ancient Romans were known to use solid, bead-like glass magnifiers. Emperor Nero... Read more |
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Knot
KNOT Jacques Lacan used a topological structure of the knot to define the relationship of the symbolic, the real, and the imaginary. In particular, he referred to the structure of rings on the coat of arms of the Borromei family. After introducing this notion on February 9, 1972, in his seminar ".... Read more |
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National Environmental Policy Act of 1969
National Environmental Policy Act (1969) William V. Luneburg Excerpt from the National Environmental Policy Act To declare a national policy which will encourage productive and enjoyable harmony between man and his environment; to promote efforts which will prevent or eliminate damage to the... Read more |
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Crew Cut
Crew Cut Also known as a G.I., or government issue, haircut, the standard crew cut is a variation on the buzz cut, a regulation haircut given to servicemen in the U.S. military in which the entire head is sheared, typically with an electric razor. In the crew cut a thick bristle of hair less... Read more |
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Enforcement
Enforcement Both within the United States and other countries, enforcement by government agencies and individual private citizens is widely viewed as a crucial aspect of the implementation of environmental laws. It is critical as a legal control on individuals and companies who violate pollution... Read more |
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Rachel Carson
Carson, Rachel (1907-1964) American marine biologist Rachel Carson is best known for her 1962 book, Silent Spring, which is often credited with beginning the modern environmental movement in the United States. The book focused on the uncontrolled and often indiscriminate use of pesticides,... Read more |
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land use
land use exploitation of land for agricultural, industrial, residential, recreational, or other purposes. Because the United States historically has a laissez-faire attitude toward land use, the land has been exploited at will for economic gain. Only in recent decades have Americans realized that... Read more |
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clear
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