A small airplane can fly backwards.
75
Scientists in China have built a prototype high-speed maglev train that is theoretically capable of reaching speeds of up to 1,800 mph (2,900 km/h).
1
The ball on top of a flagpole is called a 'truck'.
24
Attics were invented in Attica.
43
More steel in the United States is used to make bottle caps than to manufacture automobile bodies.
55



