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
The first alarm clock could only ring at 4 a.m.
120
The normal static electricty shock that zaps your finger when you touch a doorknob is usually between 10,000 and 30,000 volts!
60
The life boat was patented in 1845!
29