To have your picture taken by the very first camera you would have had to sit still for 8 hours!
308
The oil used by jewelers to lubricate clocks and watches costs about $3,000 a gallon.
41
Surgeons who grew up playing video games make 37 percent fewer mistakes.
250
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
The blueprint for a floating city has just been approved by the largest port construction and design company in China. It's entirely self-sustainable, and extends underwater.
2
More than a billion transistors are manufactured every second.
-25
Contrary to popular belief, putting sugar in a car's gas tank will NOT ruin its engine.
25