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Personal computer vs Positron emission tomography
Which invention? Pick one and see how the world splits.
- Personal computer 1971 50% · #175 in the world
- Positron emission tomography 1970s 50% · #174 in the world
What the votes say
The world is split down the middle between Personal computer and Positron emission tomography: 50% each. Positron emission tomography is #174 of the 300 inventions in the world ranking and Personal computer #175; among the 101 from the 20th century, they are #60 and #61.
Side by side
| Personal computer | Positron emission tomography | |
|---|---|---|
| World rank | #175 | #174 |
| Year | 1971 | 1970s |