Technically speaking, crystal glass is actually a Liquid that flows very slowly.
43
It would take twenty new mid-size cars to generate the same amount of pollution that a mid-size 1960's car did.
20
There are only 14 blimps in the world.
69
Jumbo jets use 4,000 gallons of fuel to take off.
19
Originally, BMW was an airplane engine manufacturer.
69
Any modern jet is capable of breaking the sound barrier.
34
The cigarette lighter was invented before the match.
210