DK Find Out! Amazing Inventions
DK

Includes inventions such as 3-D printers, abacus, bicycle, compass, battery, first computers, flushing toilet, light bulb, microscope, inventions in the home, steam engine, telephone, telescope, television, wheel, and writing.

Short Wave: Science From Curiosity And A Little Paper
Short Wave (NPR)

Manu Prakash is the co-inventor of the Foldscope, a low-cost microscope aimed at making scientific tools available for everyone.