Any modern jet is capable of breaking the sound barrier.
34
The life boat was patented in 1845!
29
Whale oil was used in automobile transmissions as late as 1973.
56
Scientists in the UK are creating a smartphone app that will enable users to test for STDs.
0
There's an "anti-smartphone" called John's Phone which can only make and receive calls.
7
To have your picture taken by the very first camera you would have had to sit still for 8 hours!
308