May 31, 2015 | visnawj
Discover pioneering researchers or investigate answers to intriguing questions in these great books about science and technology.
Could I sit on a cloud?: and other questions about science by Kay Barnham
1,000 inventions & discoveries by Roger Bridgman
Guinea pig scientists: bold self-experimenters in science and medicine by Leslie Dendy and Mel Boring with illustrations by C.B. Mordan