In the first round of the third year of high school, the first round of the electrical experiment began to Xi, the first Xi was the reading of the electrical instrument, and the first was Xi the reading of the vernier caliper. Vernier calipers are one of the few instruments in high school that do not need to be estimated, the answer is the only one, there are also stopwatches and resistance boxes like this, they are so similar in many experimental instruments, because they have companionship and do not feel lonely, so they never estimate (loneliness).
Speaking of vernier calipers, it is said that its inventor is Wang Mang of the Western Han Dynasty, which has been more than 2,000 years ago, more than 1,600 years earlier than Europe. The measurement results of the bronze calipers of Wang Mang's era and the modern calipers are very close and very magical, so now there is a theory that Wang Mang is a traverser, otherwise many of his advanced ideas and practices are inexplicable.
Wang Mang is a legendary figure who has been controversial in the history of our country, and he has always received mixed praise and criticism. In the early days of Wang Mang, Corporal Lixian was very humble and highly respected, and he had almost all the advantages of humanity. But later the usurper became self-reliant and revealed his true face. Bai Juyi has a poem: "Zhou Gong is afraid of rumors, Wang Mang is humble and not usurped, Xiang Xiang died at the beginning, who knows the truth of his life?""If the Duke of Zhou had been killed or died of illness when rumors were prevalent, he would have become a traitor in history, and when Wang Mang died of humility before the usurpation of the Han Dynasty, he would probably have been remembered for eternity, which shows that only time is the criterion for testing everything. "The road knows the horsepower, and the people will see the hearts of the people over time", if you jump to conclusions because you see it temporarily, it is very likely that you will not see the essence of things. How can human nature be so simple black and white, in the long river of history, human nature can not stand the test.
Later generations mentioned Wang Mang and always used the "purple frog sound" in the "Book of Han" to describe him, purple was not a positive color, not a pure color, and the frog sound was not a positive sound but an evil sound. Meaning that his throne was unorthodox and that his dynasty was not an independent dynasty. In fact, Wang Mang still made some achievements when he was in power, but he was a little radical, causing irreconcilable contradictions among all strata at that time, but after all, he was able to seize the opportunity of the development of the times, adopt scientific reform measures, and constantly promote reform and innovation, creating a new situation in Chinese history. Although Wang Mang's reign was not long, his reform ideas and policies still had a profound impact on later Chinese history, which is why people are willing to believe that he was a time-traveler.
It is still impossible to draw conclusions early to evaluate a person's quality or not, and sometimes it is better to let the bullets fly for a while.
History was not discovered when it happened, but it was reorganized when it was discovered, and in the eyes of later generations, Wang Mang was just a successful loser.
When we watch "Dream of Red Mansions", if it weren't for the influence of the continuation of all evils, we might not have so much prejudice against Baochai, Aunt Xue and Raider. After reading the sequel, it was only in the first eighty episodes that Cao Gong's "Shi" Baochai became a humble Wang Mang, the "Ci" aunt also became a traitorous aunt, and the "Xian" attacked people and became scheming girls, and even the attackers in the illustrations of the Red Chamber were forever put on the hat of an informant and nailed to the pillar of shame of the informant!Bao Chai fluttered the butterfly and shouted out that Feng'er was considered to be a blame, Aunt Xue was considered a traitor if she didn't say goodbye to Daiyu, and the attacker suggested to Mrs. Wang that moving Bao Er Ye out of the garden became a stain on her. If you want to add sin, there is no excuse. They turned a deaf ear to the criticism of "the flower attack has a beginning and an end" to the fat Yan Zhai to attack people, and they also turned a deaf ear to the fat criticism that Baochai "knows fate and knows the body, knows reason, is knowledgeable, and can be called a beautiful woman".