TechnologyIQ

Historical Technology Books - 47 in a series - An elementary treatment of the theory of spinning tops and gyroscopic motion by Harold Crabtree (1909)

Historical Technology Books: Light science for leisure hours. A series of familiar essays on scientific subjects, natural phenomena, &c. by Richard A. (Richard Anthony) Proctor (1871) - 24 in a series

Arduino and Google launch new Arduino Education Science Kit! via Arduino Blog