Description
Inventions that changed the world by hardly trying
What do Silly Putty and Q-Tips have in common? They are inventions that have changed the world by hardly trying, and their history and that of others can be found in this entertaining daily calendar. From the book Why Didn’t I think of That — Inventions That Changed the World by Hardly Trying by Tony Rubino comes the content for this fascinating and humorous calendar.
Content © Tony Rubino. License from bCreative.com
Cover artwork © arrtfoto/Depositphotos
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