3D printed fossil replicas used to build robotic dinosaurs

Although it may seem that we know a great deal about dinosaurs, a lot of the knowledge is actually based on assumptions rather than hard facts. Often, scientists have to resort to guesswork. Some hypotheses can only be tested by manipulating a skeleton model, but that's quite a challenge if the bones you want to study belonged to an enormous animal. Also, size is not the only issue. Dinosaur fossils tend to be fragile, unique and valuable. That's why the researchers at Drexel University, who want to build precise robotic models of dinosaurs, decided to use 3D printing technology.

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