Science4Fun
Science4 Fun: Cotton Gin
Illustrated article discusses Eli Whitney, the inventor of the cotton gin, and how the cotton gin works.
Enchanted Learning
Enchanted Learning: All About China
At this site from Enchanted Learning, you can learn all about China, view a map, and try some of the activities provided. Activities include printing out China's map and coloring it and learning Chinese numbers from 1 to 10.
Science4Fun
Science4 Fun: Nikola Tesla
Brief biographical sketch of Nikola Tesla, famous electrical engineer who invented the alternating current transmission system.
Curated OER
Black Inventor Online Museum: William Purvis
Read about the African-American inventor, William Purvis, who improved the fountain pen. Included is a list of his other inventions.
Curated OER
Black Inventor Online Museum: Andrew Beard
A short biography of Andrew Beard, whose invention improved the safety of railroads in the 19th century.
Curated OER
Otis Boykin
Otis Boykin invented electronic control devices for guided missiles, IBM computers, and the control unit for a pacemaker.
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