Corrected entry: When Frank Poole and HAL are playing chess, HAL states his move as (in what is called "Descriptive Notation") "Queen to Bishop Three". This is not true, the move he makes is "Queen to Bishop Six".
Corrected entry: When Bowman leaves Discovery to retrieve the AE-35 Unit, he asks HAL to prepare the "B Pod" and HAL powers up and rotates the middle of three pods. Later, when Bowman asks Poole to help him with a problematic transmitter in "C-pod", they go to the pod bay and enter the middle pod which must still be B-pod as no two pods have left the ship and returned to shuffle their positions. (01:12:30 - 01:22:40)johnrosa
Corrected entry: When Dave Bowman is attempting to enter Discovery through the emergency airlock we see the smoke from the detonation of the explosive bolts on the door of the pod but where does the door go? The force of the explosion should have fired the pod door into the airlock along with Dave Bowman! An amazing feat and pure luck that Dave Bowman once in the airlock managed to close the airlock door with his eyes closed (not that you could use your eyes in a vacuum because the water on the surface of your eyes would boil off in an airless environment!) and he bounced off the back wall of said airlock and ended up near enough to the airlock door close lever to pull it.Zippy Zubes
Corrected entry: During a number of scenes showing the Discovery 1 from a fixed camera position, the stars are shown moving in the presumed opposite direction of the ship. But since the stars are so far away, there would be almost no movement over the entire trip to Jupiter. (01:30:00 - 02:30:00)
Corrected entry: During the base briefing all the participants are walking quickly as they would on Earth. This kind of motion is impossible in the lower moon gravity and it is made clear throughout the film that no artificial gravity technology exists that might allow Earth-normal movement. Later, at the monolith excavation site, the walking is slower and more deliberate as it should be.
Corrected entry: When Dave Bowman blows the explosive bolts on the pod to get into the Discovery, he flies into the long airlock, then back out towards the exit. Watch the pod through both of these shots; it doesn't move a single centimeter when the bolts explode and is in the exact same position when Bowman's body heads back towards the exit. Even with the best possible maneuvering thrusters automatically set to hold the pod in place, it would have moved significantly when the explosive bolts were set off. One corrector proposed that the pod would be held in place because the mechanical arms used to open the airlock would have held it there. Incorrect; Bowman released the pod's grip on the discovery in order to turn it around. The same corrector proposed that the expolsion would not overcome the forward inertia of the Discovery. Wrong again, the pod and Discovery are traveling at the same speed; an explosive decompression would push the pod forward at great velocity.BocaDavie
Corrected entry: When Dave goes to retrieve lifeless Frank the computer screen to his right which is supposed to show continuously updated data, twice displays a jagged line like those found near the end of a reel of a motion picture film.
Corrected entry: Early in this chapter of the film, we see Discovery has three EVA Pods (from HAL's view, left to right they are C-pod, B-pod and A-pod). When Poole is killed, we see he was using the center pod. Bowman then goes after Poole with A-pod. This leaves behind the C-pod. Bowman gets back aboard Discovery by blowing explosive bolts to release his pod's door. After Bowman deactivates HAL, we can presume he recovers the now-damaged A-pod he ejected from. It can only be placed in either the right or center pod locations, and as we learn in 2010, it is found sitting in its original right-side location. So to leave Discovery for the last time, Bowman must use the C-pod which is on the left, yet is shown emerging from the center doorway B-pod originally launched from. (01:32:50 - 01:59:45)johnrosa
Corrected entry: The spacecraft Discovery has a rotating centrifuge-room that the astronauts use to avoid the detrimental effects of prolonged weightlessness. We see the rotation when Dave first enters the room and again later when he and Frank re-enter the room after inspecting the AE-35 Unit. But by Newton's laws the torque on the centrifuge must be countered by an equal anti-torque, so the surrounding body of the ship ought to be counter-rotating to conserve angular momentum.
Corrected entry: Towards the end of the movie where there are deep space shots of the planets, the spaceship and the sun, there is one shot where the sun is in the middle of several planetary objects. The objects closer to the viewer show crescent as they should due to the suns orientation to the planetary objects. On the far side of the sun however, the planetary objects also show crescent but shouldn't. They should show FULL or nearly full.
Corrected entry: The transmission from Earth says that Discovery left three weeks previously, that transmissions take seven minutes and that the journey will take the better part of a year. The speed of light is 186,282 miles/sec. In seven minutes, light travels 78,238,440 miles so the movie statement that Discovery is 80,000,000 miles away from Earth is reasonable. To cover that distance in three weeks, the speed would be around 158,000 mph. To travel half a billion miles at that speed would take a mere nineteen weeks, not the "better part of a year. (00:58:35)seasnj
Corrected entry: HAL has complete control over the pods while they are outside the Discovery - he can even use one as a murder weapon. How, then, does he allow Bowman to steer a pod to the escape hatch? Why not just shoot him and the pod off into deep space?
Corrected entry: While Dave Bowman & Frank Poole are in the pod bay they lean against the workbench much as anyone would on Earth, yet the pod bay is a weightless environment.
Corrected entry: Counter to a previous claim of factual error . In various scenes on both the Discovery spaceship and the Pod, angular momentum CAN be preserved without rotating the whole Discovery ship, as was claimed, if there were unseen counter-motions (as in a possible "sub floor" rotating in the opposite direction as the visible floor). The same principle can explain how the pod rotates without any visible thrust from, for example, gas jets. Rotation can be all mechanically achieved, with motors, and all angular momentum is preserved as the ship avoids appearing to rotate against the background stars.What we see is all plausibly accurate according to Newtonian Mechanics.
Corrected entry: If you take the letters in the computer's name (HAL), and then the next letter in the alphabet after each one, you get IBM. Stanley Kubrick denied it was on purpose but it is still kind of neat.
Corrected entry: In the famous scene where the ape throws a bone into the sky, in one shot the bone at first revolves anti-clockwise and then in the next shot, just before the jump cut to the shot of the spaceship, it now revolves clockwise.
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