The normal static electricty shock that zaps your finger when you touch a doorknob is usually between 10,000 and 30,000 volts!
60
More than a billion transistors are manufactured every second.
-25
Energy is being wasted if a toaster is left plugged in after use.
21
A fully loaded supertanker traveling at normal speed takes a least twenty minutes to stop.
27
The first alarm clock could only ring at 4 a.m.
120
There's an "anti-smartphone" called John's Phone which can only make and receive calls.
7
Jumbo jets use 4,000 gallons of fuel to take off.
19