Oops - Did I do that?

Wired News' Lucas Graves has compiled a list of the ten "Best Accidental Discoveries". Their story has details on each. And the discoveries are:
1. Viagra
2. LSD
3. X-rays
4. Penicillin
5. Artificial sweeteners
6. Microwave ovens
7. Brandy
8. Vulcanized rubber
9. Silly Putty
10. Potato chips