Scientists in the UK are creating a smartphone app that will enable users to test for STDs.
0
More than a billion transistors are manufactured every second.
-25
A fully loaded supertanker traveling at normal speed takes a least twenty minutes to stop.
27
The Queen Mary - the grandest vessel of her day - had many of her vital components made by car manufacturer Skoda!
23
A small airplane can fly backwards.
75
In the early 1960's, Porsche commercially manufactured farm tractors.
24
The cigarette lighter was invented before the match.
210