问答题 Ten years ago it appeared that nuclear power would solve the anticipated energy crisis. Although supplies of uranium fuel were known to be limited and might become exhausted in half a century, the nuclear ower plant has for a long time been favorite project. But work on it has met with grave problems. The fear of possible atomic explosion and the problems of disposing of polluting by-product waste have been slowed down the construction of further nuclear plants. Eventually atomic technology may be able to control these problems, but at present there seems to be a little agreement among atomic scientists about when this can be achieved.