The argument that “the future can’t know beforehand” is wrong. The future forecasting on the basis of science is a common phenomenon,and there’s nothing strange about it. The typical example is the weather forecasts,and the study of earthquake make the Seismology. The objective world obey the rules of nature,but it is at random、stochastic、non-linear and mutaty situation,so the future forecastting though progress possible,but it is very difficult. Then,we can’t criticize the physical quantum experiments by the employment of causality;we may make still causal demands on the classical physics experiments,but we can’t defend to the last of the limit“the cause must be earlier than the effect”. We know that the quintes-sence of causality is that “ the effect can’t influence on the cause in any case.”In process of finding an answer on the Maxwell-d’ Alembert equation,complete results are the re-tarded solution plus advanced solution. In the past,we have become accustomed to the retarded solution, and the advanced solution was abandoned by the people. It was not a rationalization method based on the logic causality,and the accept reason by the masses was the retarded solution in agreement on that experiments. Now,we know that the several negative wave -speed experiments have proved exist of advanced waves,and the effect is earlier than the cause. Then we say these experiments embodies the spirit of inner the future,and also reflects the idea of “time ma-chine.”Time travel is possible in theory though a tunnel in space-time;or using the phenomenon in quan-tum mechanics,such as the entanglement state and post-selection. The quantum teleportation transports the quantum states and not the material objects,the logic of post-selected teleportation is the same as for time travel. Then,the traveler has not physically moved,instead the people is the quantum information that completely describes the traveler. Obviously, the time travel is viable in quantum theory. Quantum me-chanics is the motive force of the development of Futurology. In addition,the unknown things are vast amount,so the uncertainty fill of futurity. Researches of Fu-turlogy experience countless hardships and setbacks. The travelling road of study is very long.%“未来无法预测”的说法肯定是错误的。在科学基础上预测未来是常见的事，并不奇怪。典型例子如天气预报，而对地震的研究导致了地震学科的建立。客观世界遵循自然规律，但又是无规、随机、非线性和有突变的，因而预测未来既可能又很难成功。不能用因果性要求批评量子物理实验；可以用因果性对待经典物理实验，但不应死守“因先于果”的时序限制。因果律的精髓应是“在任何情况下果都不能影响因”。在Maxwell-d’ Alembert方程求解过程中，完整的数学分析结果是有一个滞后解和一个超前解。过去的习惯作法是抛弃超前解而只留下滞后解，虽然从逻辑上的因果性出发而这样做并不合理，能被人们接受的理由只是“滞后解才与实验情况相符合”。现在已出现了众多的负波速实验，证明了超前波存在，并且在实验中“果超前于因”。这些实验体现了“进入未来”的意蕴，或许可以看成是“时间机器”设想的某种体现。一般认为经过时空隧道可作时间旅行；也可利用量子力学现象，例如纠缠态和后选择。量子隐形传态传送的是量子态而非实体物质，从逻辑上讲量子后选择传态与时间旅行是一致的。因此旅行者实际上未动，而传送的是描写旅行者的全部信息。很明显，在量子理论中时间旅行是可能的。量子力学是未来学发展的动力。……然而未知事物大量存在，要承认未来充满了不确定性；对未来学的研究面临巨大困难，道路是漫长的。
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