Back to the Drawing Board - The Inventor's Unpredictable Life - Â鶹¹ÙÍøÊ×Ò³Èë¿Ú Sounds

Back to the Drawing Board - The Inventor's Unpredictable Life - Â鶹¹ÙÍøÊ×Ò³Èë¿Ú Sounds


The Inventor's Unpredictable Life

Inventors talk about their weird and sometimes wonderful working lives

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