Kleenex tissues were originally used as filters in gas masks.
46
The blueprint for a floating city has just been approved by the largest port construction and design company in China. It's entirely self-sustainable, and extends underwater.
2
Google founders Sergey Brin and Larry Page have expressed their desire to see the search engine become artificial intelligence itself. To achieve that goal, they created the highly-protected “X lab.”
-7
A small airplane can fly backwards.
75
The ball on top of a flagpole is called a 'truck'.
24
The average car produces a pound of pollution every 25 miles!
18
The cigarette lighter was invented before the match.
210
Whale oil was used in automobile transmissions as late as 1973.
56