Small Inventions that Make a Big Difference
by National Geographic Society (U.S.)
Describes how inventors think and work, explains how one invention--plastic--has changed the world, and briefly discusses seventy-five other important inventions, from the jet engine to the potato chip.
Juvenile NonfictionTechnologyInventions
RELEASED1984
PUBLISHERNational Geographic Society
LENGTH104
LANGUAGEEN
Small Inventions that Make a Big Difference
by National Geographic Society (U.S.)
Describes how inventors think and work, explains how one invention--plastic--has changed the world, and briefly discusses seventy-five other important inventions, from the jet engine to the potato chip.
Juvenile NonfictionTechnologyInventions
RELEASED1984
PUBLISHERNational Geographic Society
LENGTH104
LANGUAGEEN