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: 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 - 01:59:45johnrosa
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.
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.
Corrected entry: In the beginning of the film where we see the ape-men, it looks as if they are wearing Converse All-Star type gym shoes that have been painted to look like feet. Perhaps the rocky terrain was too hard on the costumed actors' feet.
Corrected entry: On Discovery, artificial gravity is created by a spinning centrifuge. This is fine, but crew members are shown climbing a ladder into the center, where they are weightless. In reality, they would experience a quite large force perpendicular to the ladder. This is because they still have momentum from traveling with the floor of the centrifuge, but the speed of the higher steps is lower, and the speed in the center is zero.
Corrected entry: During the scene when the photographer is taking photographs of the scientists next to the monolith on the moon, a flying insect e.g. a fly or moth, can quite be briefly seen against the dark background of the monolith itself.
Corrected entry: In the scenes with the lunar shuttle and the lunar buggy, we see a swirling cloud of dust as they are touching down. The dust would only swirl around like this within an atmosphere; it would not do this on the airless moon.
00:40:00 - 00:50:40
Corrected entry: The initial scene shows a desert with Brazilian tapirs grazing in the background. Tapirs have never been recorded living in any sort of desert, either through live sightings, secondary evidence, or fossil record.
Corrected entry: At the beginning of the TMA-1 excavation scene, studio lights can be seen reflecting off the tops of the astronauts' helmets (note the position of the sun low on the horizon versus the camera's perspective).
Corrected entry: When Heywood Floyd was talking to his daughter on the video-phone, the camera at home was moving slightly (up, down and sideways) to follow the movements of the girl. In reality, the phone camera would have been in a fixed position.
Corrected entry: In the scene where Dave is replacing the AE35 unit at the antenna he is steadying himself only with his hand as he does his work. In reality every motion he made would have a equal opposite reactions so he would have been twisting in space and unable to do a basic task. He should be more firmly anchored to the antenna to be accurate.
Corrected entry: When the scientists are on the moon and approaching the monolith, the lighting from the floodlights changes from shot to shot.
Corrected entry: Dave Bowman parks the pod next to the emergency airlock and blows the door off by detonating the explosive bolts. Since the pod was full of air, the door ought to have been ejected into the airlock and become a rather hazardous projectile. But in the scene it's nowhere to be found. What became of it?
Corrected entry: Dave exited the ship for an EVA to replace the 'flawed' AE35 unit. Unfortunately, Dave would've received five times the lethal dose of radiation during that brief jaunt. This is typical when in that proximity to Jupiter. Even though Dr. Floyd says "they can't be exposed to that radiation for any longer than four minutes", they'd still die from it within a few weeks of that brief exposure.Nicki
Corrected entry: The stewardess, in her 360-degree stroll to the control room aboard the spherical Aries lunar shuttle, is most certainly going through the wrong door, if you think about where the control room is relative to the rest of the interior (she should have been stepping through the access on the top of the set).
Corrected entry: As the Pan-Am shuttle is approaching the spinning space station there as a shot of it from within the hub based dock. The star filled background is spinning as it ought to, but the shuttle, which is not yet centered on the dock, is seen swinging across the sky independent of the background. To do this the craft would be tracing a spiral through space.
Corrected entry: There is something drastically wrong with the design of the spherical 'Aries' moon shuttle. Some seats and many fixtures are 'upside down' relative to the up-down orientation of the shuttle itself, and we see loose food trays and equipment about the place as if this is routine. But - the shuttle is designed to land on the moon. What happens then? The moon has gravity, remember? There are going to be quite a few very disgruntled people dangling upside down like spiders, and there will be loose gear (and perhaps a stewardess or two) bouncing about all over the place. What a dumb design flaw.
Corrected entry: When Dave is trapped in the pod outside the ship and has to go through the airlock, the solution is impossible (and a real astronaut would have known that). The change in pressure between the pod and the vacuum of space would cause the body to explode without a pressure suit (including the helmet, which was missing). Also, the absolute zero temperature of space would have frozen Dave solid before he ever got the Discovery's door closed.Mark Bernhard
Corrected entry: 2001 is the only space-based film that correctly portrays 'space' as a soundless vacuum. No whooshes, no THX explosions...
Corrected entry: In the zero-G sequence of the shuttle approaching the moon Dr. Floyd is served a meal in a zero-G tray with straws. While Dr. Floyd sips through the straws to eat from the zero-G food tray, the food puree falls back down the straws into the tray wells (leaving them "clear") after he finishes sipping, an effect of gravity. In zero-G, the food puree should remain visible in the straw, and not fall.
Corrected entry: How could there be dust clouds when the lunar probes land when there is such a thin atmosphere on the moon? It happens twice when Dr. Floyd is going to check out the monolith.
Corrected entry: When David Bowman is travelling through the space portal, many streaks of light can be seen passing him on both sides yet when we see David Bowman himself, the streaks are reflected in his helmet and they don't seem to be moving at all.
Corrected entry: When troubleshooting the AE-35 unit in the pod bay, the unit is resting on a console, unsecured. The unit should float, since the pod bay doesn't possess artificial gravity, only the main living space does.
Corrected entry: In the scene where Bowman is attempting to force entry into the Discovery by using the pod's robotic arm to manually open the exterior door, the error is that the force needed to turn the door opener in a weightless environment should have twisted the pod in the opposite direction as it wasn't physically locked to the mother ship anywhere else by the other arm.
Corrected entry: Poole takes a pod out to replace AE35. We see this pod spinning off into space. Bowman takes pod 2 out to retrieve Poole. He eventually blows the door to get back inside Discovery. There is no indication that he bothers retrieving this pod: He is occupied with HAL. Bowman takes pod 3 to check out Stargate. He and the pod are sucked in. So where did pod 4 come from in the movie 2010?
Corrected entry: In the scene where Dave is going into the room to shut down HAL, he is wearing his space suit and his sleeve becomes unattached from his glove when he is opening the door. This would be lethal, given that HAL messed up the pressure and drained the oxygen.
Corrected entry: There is a scene where one of the astronauts is drinking out of a juice box in space (zero gravity). When he is done drinking from the straw the juice falls back down the straw as if there was gravity.
Corrected entry: When the ship's computer and one of the crew members are playing chess, the computer stated a mate in 2, which is not true. It's mate in 3.
Corrected entry: When they try to hide from HAL, Dave comments that there is a malfunction in the "C" pod. HAL should protest because it doesn’t detect anything wrong, but it doesn’t say anything.
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