Popular Mechanics

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Popular Mechanics inspires, instructs and influences readers to help them master the modern world. Whether it’s practical DIY home-improvement tips, gadgets and digital technology, information on the newest cars or the latest breakthroughs in science -- PM is the ultimate guide to our high-tech lifestyle.
 

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Sommario

Science looks ahead
1
Scientific research
Super speed bullets knock 'em dead
8
Rifles
Engine exceeds one horsepower per pound
11
Airplane engines
Wings for freight
14
Air freight service, Airplanes, Freight
Call to battle stations!
17
Warships
Outwitting the saboteur
28
Sabotage
10,000,000 hellos a day
34
Telephone
Gateway to the world
40
New York (N.Y.) (Harbor)

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