NASA's Perseverance rover continuously explores Mars, sending back incredibly detailed images of the rocks, terrain, and landscape of a world located millions of miles away from Earth
1st-century automatic temple doors operated by a hidden fire-powered hydraulic system designed by Hero of Alexandria. Proof that automation existed 2,000 years ago: how ancient engineers built pneumatic automatic doors using fire and hydraulics
A terrifyingly close encounter with two tigers as tourists freeze completely while one casually plays with the jeep's side-view mirror
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