Any modern jet is capable of breaking the sound barrier.
34
To have your picture taken by the very first camera you would have had to sit still for 8 hours!
308
A car operates at maximum economy, gas-wise, at speeds between 25 and 35 miles per hour.
-4
More than a billion transistors are manufactured every second.
-25
More steel in the United States is used to make bottle caps than to manufacture automobile bodies.
55
It would take twenty new mid-size cars to generate the same amount of pollution that a mid-size 1960's car did.
20
If a car is travelling at 55 miles per hour it will travel 56 feet before the driver can shift his foot from the accelerator to the brake.
25
Whale oil was used in automobile transmissions as late as 1973.
56