what is the greatest invention?

@Matducks (130)
Philippines
December 24, 2006 11:41pm CST
what's the greatest science innovation invented since the history of man?
2 responses
• India
26 Dec 06
I THINK ELECTRICITY IS THE GREAT INVENTION IN THE HISTORY
@Matducks (130)
• Philippines
26 Dec 06
without electricity there'll be no telephones nor computers and no mylot.
• Singapore
25 Dec 06
Fire
• Singapore
25 Dec 06
Sorry, should be lightblub