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
The world’s smallest book, “Teeny Ted from Turnip Town”, is 100×70 micrometers in size and requires a scanning electron microscope to read, as light beams are too large.
6
If you chew gum when you study a subject and then chew the same flavor when you take the test, it will help you remember!
34
Blue light fends off drowsiness in the middle of the night, which could be useful to people who work at night.
240
The best recorded distance for projectile vomiting is 27 feet.
71
Barbie's full name is Barbara Millicent Roberts.
78
There are more than 10 million bricks in the Empire State Building!
75
Real diamonds do not show up on x-ray.
36