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Drawing up a comprehensive list of words in English is important as a reference when learning a language as it will show the equivalent words you need to learn in the other language to achieve fluency.
The Smithsonian loaned an ethnological exhibit featuring crafts from several cultures including African, Native American, and Polynesian, titled "Woman's Work in Savagery". The Inventions Room and Science Exhibit featured more modern contributions, all of which except for one were of white woman.
Expo '74's official logo debuted in March 1972 and was designed by Spokane artist Lloyd L. Carlson. [1] The logo is a stylized Möbius strip , an endless three-dimensional form, which was chosen to symbolize the continuity of life and mankind's relationship with the environment. [ 1 ]
A Charlieplexed digital clock which controls 90 LEDs with 10 pins of a PIC 16C54 microcontroller.. Charlieplexing (also known as tristate multiplexing, reduced pin-count LED multiplexing, complementary LED drive and crossplexing) is a technique for accessing a large number of LEDs, switches, micro-capacitors or other I/O entities, using relatively few tri-state logic wires from a microcontroller.