How stuff works
by memolition ·
Zipper
![9177819d86e24401](http://myscienceacademy.org/wp-content/uploads/2012/12/9177819d86e24401.gif)
Perimeter and Pi
![917782607ede2d02](http://myscienceacademy.org/wp-content/uploads/2012/12/917782607ede2d02.gif)
Steam engine
![9177839301017203](http://myscienceacademy.org/wp-content/uploads/2012/12/9177839301017203.gif)
Tesseract
![91778445b4f38604 (1)](http://myscienceacademy.org/wp-content/uploads/2012/12/91778445b4f38604-1.gif)
Knight’s tour
![917785a053529105](http://myscienceacademy.org/wp-content/uploads/2012/12/917785a053529105.gif)
Caliper
![9177863407cc9306](http://myscienceacademy.org/wp-content/uploads/2012/12/9177863407cc9306.gif)
Constant-velocity joint
![9177878ec3015007 (1)](http://myscienceacademy.org/wp-content/uploads/2012/12/9177878ec3015007-1.gif)
Pythagoras theorem
![91778982106f6409](http://myscienceacademy.org/wp-content/uploads/2012/12/91778982106f6409.gif)
Radial engine
![917790cb91e5f210](http://myscienceacademy.org/wp-content/uploads/2012/12/917790cb91e5f210.gif)
Geneva drive
![917791e306889b11](http://myscienceacademy.org/wp-content/uploads/2012/12/917791e306889b11.gif)
Drawing Hypotrochoid
![917792e703f0bb12](http://myscienceacademy.org/wp-content/uploads/2012/12/917792e703f0bb12.gif)
Alpha Stirling engine
![917793316c275813](http://myscienceacademy.org/wp-content/uploads/2012/12/917793316c275813.gif)
Drawing Yin Yang
![9177949e12fa1c14](http://myscienceacademy.org/wp-content/uploads/2012/12/9177949e12fa1c141.gif)
Wankel engine
![917795fb505ee615](http://myscienceacademy.org/wp-content/uploads/2012/12/917795fb505ee615.gif)
Sewing machine
![917796d2dffd4116](http://myscienceacademy.org/wp-content/uploads/2012/12/917796d2dffd4116.gif)
Epicyclic gearing
![91779798440fc717](http://myscienceacademy.org/wp-content/uploads/2012/12/91779798440fc717.gif)
Pin tumbler lock
![919492ad1672df20](http://myscienceacademy.org/wp-content/uploads/2012/12/919492ad1672df20.gif)
Tags: life