Download or read book Great Discoveries and Inventions That Have Changed the World written by Gianni Morelli and published by . This book was released on 2019-03-05 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: What would life be like without cars, refrigerators, the Internet, or the omnipresent smartphone? Take an extraordinary journey through the discoveries that have transformed our world forever. They include innovations in technology, such as alternating current, plastic, and the robot; communications (cameras, radio, cinema); medicine, from aspirin to the pacemaker; and transportation. See what led to their creation and meet the exceptional figures who conceived them.