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The house that gets sucked into a black hole at the end was actually a model about four feet across. The model took several weeks to complete. The shot was arranged with the camera placed directly above model, which was mounted over an industrial strength vacuum generator (the front door was facing directly up, straight at the camera). The model also had about 100 wires attached to various points of the structure. These wires went down through the back of the house, and down through the vacuum collection sack. The camera was turned on, and took 15 seconds to wind up to the required 300 frames per second. The vacuum was turned on, the wires were yanked, and several SFX guys blasted the house with pump-action shotguns. The entire scene was over in about two seconds, and they had to wait until the film was developed before they knew if they would have to do it again. Luckily, they got it right on the first take. The finished scene was sent to Steven Spielberg, who was on location shooting E.T.: The Extra-Terrestrial (1982). He gave it to a projectionist, who assumed it was dailies from ET and was startled by the images. Spielberg had the remains of the model encased in perspex, and it is now sitting on his piano. The model itself was worth well over $25,000.
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