Any modern jet is capable of breaking the sound barrier.
34
Castor oil is used as a lubricant in jet planes.
-5
To have your picture taken by the very first camera you would have had to sit still for 8 hours!
308
Windmills always turn anti-clockwise. Except for the windmills in Ireland!
184
An airplane mechanic invented Slinky while he was playing with engine parts and realized the possible secondary use for the springs.
12
There's an "anti-smartphone" called John's Phone which can only make and receive calls.
7
There are only 14 blimps in the world.
69