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

Radio builds a city
704
Rockefeller Center
Wonder ray stops food decay
712
Food preservation and preservatives, RAYS.
How continuous power is produced by tide
719
Tide power
Scientific miracles of the Vatican City
722
Vatican City
How smart are you?
728
Psychological examinations

Harnessing the earth's terrific heat
734
Earth temperature, Geothermal resources
Mayan mysteries defy modern world
738
Mayas
Adrift five days in a rubber boat
744
Verne W. HARSHMAN, Aviation (Accidents)
Into the arctic wastes with the Graf Zeppelin
753
Graf Zeppelin (Airship), Arctic exploration, Aviation (Arctic flights)
Millions in cash moved every day!
762
Money (Transportation)
Big statues are made from old newspapers
766
Modeling, Waste paper
Me-too boats and their brood
770
United States Navy, Seaplanes
Giant thunder lizard that shook the earth in bygone age is mounted for world to see
776
Apatosaurus
There's money in goldfish
783
Goldfish
Chemical magic
786
Tricks
Lost mines lure gold hunters
792
Gold mines and mining
War on fur bootleggers
798
Fur industry
Memory masters: Mississippi pilots
802
Pilots and pilotage, Mississippi River
How to sell an invention
810
Inventions

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