Kleenex tissues were originally used as filters in gas masks.
46
Attics were invented in Attica.
43
The ball on top of a flagpole is called a 'truck'.
24
The first alarm clock could only ring at 4 a.m.
120
Jumbo jets use 4,000 gallons of fuel to take off.
19
Any modern jet is capable of breaking the sound barrier.
34
A small airplane can fly backwards.
75

