About.com is a great site where you can find out all sorts of things about all sorts of topics.
I thought you might be interested in some of the facts about the History of Technology:
- First freely programmable computer was invented in 1936. Read more
- First recorded use of homing pigeons used to send message – the winner of the Olympic Games to the Athenians in 776BC. Read more
- Boston civil servant George Carey was thinking about complete television systems and in 1877 he put forward drawings for what he called a selenium camera that would allow people to see by electricity. Read more
- First Atlantic telegraph cable completed in 1858 but failed after 26 days due to the voltage being too high. Read more