Top 10 Inventions Made by Mistake

The Top Ten

1 The First Practical Implantable Pacemaker
2 X-Ray Images
3 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. - Metal_Treasure

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) - Toucan

4 Plastics
5 Microwave Oven

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

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. - Metal_Treasure

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. - Metal_Treasure

8 Artificial Sweetener (Saccharine)

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

9 Vulcanized Rubber
10 The Slinky

The Contenders

11 Coca Cola

It was meant to be a medicine. - Metal_Treasure

12 Chocolate-chip cookies

Surprised it's not at #1 - Solacress

Shouldn't be surprised - pacemaker and life-saving medications are more important than cookies - Metal_Treasure

Result of a recipe gone wrong. - Metal_Treasure

13 Aspirin

This was invented from a mistake. but still it helps us lot! - zxm

Again, a discovery.

14 Corn Flakes
15 Post-it Notes
16 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. - 0w0uwu

17 Ink-jet Printer
18 Tea Bags
19 Ice Cream Cone
20 Champagne

It was bottled wine that didn’t ferment properly. - Metal_Treasure

21 Chewing gum

It was supposed to be a natural latex. - Metal_Treasure

22 Popsicle
23 Stainless Steel
24 Dynamite
25 Teflon
26 Smart Dust
27 Play-Doh
28 Super Glue
29 Velcro
30 Safety Glass
31 Fireworks
32 The discovery of America

"Discovery" - 0w0uwu

It’s true. - Georgiacatcrimson

BAdd New Item