Time Out says
Start humming “Also Sprach Zarathustra.” Pick up a bone and throw it in the air. Then watch it turn into a spaceship (what a cut!), and before you know it you’ll be begging a supercomputer to open the pod doors for you. Kubrick’s cerebral sci-fi epic isn’t just a pop-cultural touchstone or the basis for every laser light show on earth; it’s a primo head trip that’ll blooow your mind, man!