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30-Second Great Inventions: 50 light-bulb moments that changed the world, from the compass to the smartphone, each explained in half a minute
30Second Great Inventions 50 lightbulb moments that changed the world from the compass to the smartphone each explained in half a minute Author:David Boyle 30-Second Great Inventions: 50 light-bulb moments that changed the world, from the compass to the smartphone, each explained in half a minute [hardcover] David Boyle [Mar 01, 2018] ?