A small airplane can fly backwards.
75
The first alarm clock could only ring at 4 a.m.
120
Mico headphones read your brainwaves and select music based on your state of mind.
7
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
In the early 1960's, Porsche commercially manufactured farm tractors.
24
There's an "anti-smartphone" called John's Phone which can only make and receive calls.
7