30-second great inventions :   50 light-bulb moments that changed the world, from the compass to the smartphone, each explained in half a minute / 

 - Ivy press  2018 
 - 160 pages 
<br/><br/><label>ISBN: </label>9781782405122 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Inventions ; Technological innovations ; Inventors
<br/><br/><label>LC Class. No.: </label>REF T 48 .T45 2018