The computer, whose invention brought us into the Information Age and has hastened nearly every other aspect of modern civilization and industry.

Antibiotics, which have saved millions of lives and, if they're prescribed judiciously and prudently, will save millions more (assuming the over-prescription that has occurred already doesn't make everyone antibiotic-resistant).
birdgirl73 Reviewed by birdgirl73 on . What do you think is the greatest invention ever is? Mine has to be light bulbs by Thomas Edison. Simply because they aid us in every day (and night for the pedants) life. It must of been a bitch to use raw fire every time we needed to see artifically. We take them for granted. Big up Thomas Edison. Rating: 5