i done no
and idgaf
because it was
Fire, The wheel, Telegraph
The Jet Engine, the computer.
Calvary Charges Siege warfare
Jeromy Petscae
stop cheatin
Some positive some negative.
The bow and arrow, as well as the throwing spear.
Killer Robots that try to give you AIDS.
http://www.scribd.com/doc/1768/Some-stories-about-popular-inventions-and-discoveries This is a good article describing a number of technological advances that led to things we use today. For example, the modern microphone was invented in 1920.