Pick up a femur, order a moon sandwich, and always remember to bring your space helmet with you! On its 50th anniversary, we\u2019re discussing Stanley Kubrick\u2019s classic \u201c2001: A Space Odyssey.\u201d What is the Monolith\u2019s purpose? When and why does HAL become murderous? And why is there so much solarized stock footage of landscapes? Watch out for cheetahs!