<human>:  Find a timeline of significant inventions in the past 100 years.
<bot>: 1900
 • Model T Automobile  1902
 • Air Conditioner 1903
 • Flyer 1 Aircraft 1912
 • First Transatlantic Telephone Call 1925
 • Radio Broadcasting 1949
 • Transistor 1953
 • DNA Structure Discovered 1958
 • Integrated Circuit Invented 1961
 • First Pet Travel in Space 1969
 • First Human Travel in Space 1973
 • Mobile Phone 1984
 • Macintosh Computer 1998
 • Google Founded 2007
 • Apple iPhone 2008
 • Launch of Tesla Motors