You can tape a small mirror onto a cone speaker, play music and shine a laser on to the mirror and the reflection will look like a laser light show on your wall.
102
Music is as addictive to the brain as sex and drugs.
27
Fine-grained volcanic ash can be found as an ingredient in some toothpastes.
55
A jiffy is an actual unit of time for 1/100th of a second. Thus the saying, I will be there in a jiffy.
57
The Band-Aid was originally made for the inventor's wife, who often cut and burned herself while cooking.
6
It's impossible to sink in the Dead Sea without equipment!
72
When glass breaks, the cracks move faster than 3,000 miles per hour. To photograph the event, a camera must shoot at a millionth of a second!
114
NYC's Metropolitan Transit Authority (MTA) dumps old subway cars into the ocean to serve as artificial reef.
8