A car operates at maximum economy, gas-wise, at speeds between 25 and 35 miles per hour.
-4
Henry Ford produced the model T only in black because the black paint available at the time was the fastest to dry.
33
More than a billion transistors are manufactured every second.
-25
Originally, BMW was an airplane engine manufacturer.
69
The electric chair was invented by a dentist!
122
Scientists in the UK are creating a smartphone app that will enable users to test for STDs.
0
Whale oil was used in automobile transmissions as late as 1973.
56