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Lidar vs Iron lung
Which invention? Pick one and see how the world splits.
What the votes say
The world is split down the middle between Lidar and Iron lung: 50% each. Iron lung is #228 of the 300 inventions in the world ranking and Lidar #229; among the 101 from the 20th century, they are #80 and #81.
Side by side
| Lidar | Iron lung | |
|---|---|---|
| World rank | #229 | #228 |
| Year | 1961 | 1927 |