We may receive a commission on purchases made from links. Spoilers for "Alien: Earth" to follow. The franchise may be called "Alien," but the face-hugging, chest-bursting, penis-headed little monsters ...

Physics and magic. Elves and aliens. Fantasy and sci-fi. What’s the difference? If you showed a BluRay player to a caveman, he’d call it magic. If you showed a spell-book MIT professor, he’d call it ...

Playing the Game -- I. Potter Physics -- Harry Potter and the Great Conservation Laws -- Why Hogwarts is So Dark -- Fantastic Beasts and How to Disprove Them -- II. Space Travel -- Why Computers Get ...