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Karaoke vs Polio vaccine
Which invention? Pick one and see how the world splits.
- Karaoke 1971 50% · #259 in the world
- Polio vaccine 1952 50% · #260 in the world
What the votes say
The world is split down the middle between Karaoke and Polio vaccine: 50% each. Karaoke is #259 of the 300 inventions in the world ranking and Polio vaccine #260; among the 101 from the 20th century, they are #89 and #90.
Side by side
| Karaoke | Polio vaccine | |
|---|---|---|
| World rank | #259 | #260 |
| Year | 1971 | 1952 |