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cated at zero gravity altitude. Since walk ing is based on the principle of falling for ward, the usual method of momentum would not produce the forward movement it does on the earth. One might be able to lift his foot into the air and leave it there, just as easily as letting it return to the floor. One could also lean over and remain as comfortable, with no thought of falling as if he were standing straight up. In fact, one would be able to lie down three feet above the floor, as well as on the floor, and this would have its comfort advantages. After considering some of the advan tages and disadvantages of the condition called "zero gravity," we were forced to conclude that life is complicated enough as it is without running into the problem of learning how to walk all over again at our tender age.
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