Top 10 Inventions Made by Mistake

The Top Ten
1 The First Practical Implantable Pacemaker
2 Penicillin

@visitor - it was a discovery at the first stage and invention at the second stage (medical application and production). Nobody uses Penicillin in the form it was discovered (food contaminated by blue-green mould). An example of discovery is that Earth is round but there's no 2nd stage - nobody tries to make Earth triangle so that we can use it in a more convenient way.

Well Alex had been playing around with mole colonies when he discovered a whacky substance made by them which prevented the growth of microbes.he then thought," why not make money! "(he thought about its applications in science and experimented on animals and then invented penicillin.he wasn't interested in making money.that was a joke...which I spilt)

3 X-Ray Images
4 Plastics
5 Microwave Oven

It was accidentally discovered in 1945 by Percy Spencer, an American self-taught engineer. He was working on an active radar set and noticed that microwaves from the radar started to melt a candy bar in his pocket. And he decided to use the specific heating effect of the high-power microwave beam.
The first food deliberately cooked with Spencer's microwave was popcorn, and the second was an egg, which exploded in the face of one of the experimenters.

Percy Spencer walked through a radar beam, and his chocolate bar melted in his pocket. Then he patented the discovery as the microwave.

6 Anesthesia
7 Viagra

Viagra (Sildenafil) was meant to treat heart diseases: hypertension (high blood pressure) and angina pectoris (a symptom of ischaemic heart disease).
The first clinical trials suggested the drug had little effect on angina but induced marked penile erections.

8 Artificial Sweetener (Saccharine)

The artificial sweetener was discovered in 1879 because chemist Constantin Fahlberg didn't wash his hands.

9 Coca Cola

It was meant to be a medicine.

10 Vulcanized Rubber
The Contenders
11 Chocolate-chip cookies

Result of a recipe gone wrong.

Surprised it's not at #1

12 The Slinky
13 Aspirin
14 Corn Flakes
15 The discovery of America
16 Post-it Notes
17 Potato Chips

Was named after the crator. The person made potato wedges and a customer asked him to make it really thin and then that's what he did.

18 Ink-jet Printer
19 Tea Bags
20 Ice Cream Cone
21 Champagne
22 Chewing gum

It was supposed to be a natural latex.

23 Popsicle
24 Stainless Steel
25 Dynamite
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