American Inventors
Thomas Edison
George Washington Carver
Databases
You can translate the text into many different languages on some databases. Look for the "Translate" link.
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Once you have typed in a topic, you can choose the article level you would like to read.
Use the speaker icon to listen to the article.
If you can work with the fairly high reading level of this database you will be rewarded with great descriptions of inventions, and sometimes great pictures of their functionality.
EBooks
*Search "inventors" for several books about inventors of different technologies*