Sony researchers have developed a refrigerator that only opens when you smile.
9
Windmills always turn anti-clockwise. Except for the windmills in Ireland!
184
Car airbags kill 1 person for every 22 lives that they save.
80
Originally, BMW was an airplane engine manufacturer.
69
Thomas Alva Edison patented almost 1,300 inventions in his lifetime!
144
More than a billion transistors are manufactured every second.
-25
The ball on top of a flagpole is called a 'truck'.
24