Convincing People with Virtue: a Required Course in Doomsday Physics

In 2142, cracks in reality opened, low-dimensional aliens poured in, and all human thermal weapons failed. Physics teacher Chen Li accidentally awakens to the doomsday cram school system and discovers that knowledge from middle school textbooks can activate the hidden abilities of aliens - teaching the zombie girl the Pythagorean theorem, she can accurately calculate the landing point of her jump; teaching Painted Skin Ghost about optical reflection, it can perfectly hide its figure. He led this group of 'problem students' and used textbook knowledge to build mankind's last line of defense. 'Knowledge changes destiny', in the last days, means literally. "