Henry Ford produced the model T only in black because the black paint available at the time was the fastest to dry.
33
A small airplane can fly backwards.
75
The life boat was patented in 1845!
29
Scientists in the UK are creating a smartphone app that will enable users to test for STDs.
0
Any modern jet is capable of breaking the sound barrier.
34
There are only 14 blimps in the world.
69
Sony researchers have developed a refrigerator that only opens when you smile.
9