The video “Every day ingenuity parts 1 & 2” is HERE.
Worksheet : Great Engineering Achievements of the 20th Century sentences
For the work on Jetman, click HERE.
http://www.designboom.com/technology/markus-kayser-solar-sinter-3d-printer/
http://www.greenprophet.com/2012/02/solar-sinter-sun-markus-kayser/