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Li Ang traveled to a magical world similar to medieval Europe but with magic. He found learning magic too difficult. Spiritual talents, spell-casting materials, and wanted orders from the church are all obstacles that stand in his way. Good news: Li Ang has awakened the system. Bad news: There is no wizard career bar on the system panel. Instead, there are math, physics, chemistry, and biology levels. So this is the Xueba system? In the precarious magical world, what use is it? ! Until Li Ang discovered that in the magical world, knowledge is power and scientific theories are magic models. He could also rely on the system to travel to the United States in the 1960s. Okay, Li Ang admitted that he was a little loud before. ... Many years later. Li Ang set off a renaissance in the magical world. He conducted experiments, reasoned, spread research results through journals, and became a legendary arcanist. And America ushered in their only transcendence.

Lin Chuan, a freshman, discovers that he can travel back and forth through the wasteland world. Lin Chuan was very happy, thinking that he would become the protagonist of the wasteland world. He could take another look at the system functions: two-world travel, scientific intuition, panel functions, learning coins... Something seems wrong. There are restrictions on travel time and carrying capacity. Scientific intuition can "only" improve learning efficiency and gain inspiration. The panel experience bar is not the conventional strength and agility of the wasteland, but mathematics, physics, chemistry, engineering... Not to mention learning coins, which are useful just by hearing the name. So this is not a wasteland system at all. This is the Xueba system! Lin Chuan began to accumulate experience, write papers, attend top conferences, and reverse wasteland technology. ... Some years later. "Academician Lin, how long do you think it will take for the Rhea modification plan to be completed?" "Soon." "Academician Lin, can you tell me the secret of your success?" "Discipline yourself. For example, now I have to go back to my room to do closed research. Please excuse me."