A mysterious, reflective, almost perfectly smooth monolith was spotted by the Las Vegas Police Department, who were on a search and rescue mission. “We see a lot of weird things … but check this out!” the Las Vegas Police Department posted on social media. “HOW did it get up there??” The monolith is basically a 3 m (9.8 ft)-tall pillar made of metal sheets riveted into a triangular prism, eerily reminiscent of the monoliths featured in 2001: A Space Odyssey, an iconic 1968 film directed by Stanley Kubrick and based on an Arthur C. Clarke’s novel. But the weirdest thing is that this isn’t the f…