X-ray technology was chosen as the most important invention of the science museum in the past century. 1895, physicist wilhelm rontgen discovered X-rays, and "X" indicates that the source of such rays is unknown. Later, he also found that this kind of ray can penetrate the body, and the bone image inside the human body can be presented through the photosensitive film.
2. penicillin
1928, Alexander Fleming of St. Mary's Hospital in central London, England, found fungal spores floating out of their "windows", which was the first discovery of penicillin in the history of science. In the mid-1940s, the United States and Britain took the lead in applying penicillin to the treatment of patients, and achieved remarkable results. The development of penicillin indicates that a new generation of drugs quickly occupied the field of medical antibiotics, thus realizing that bacterial infection no longer threatens human life.
3.DNA double helix
1953, researchers established the first DNA double helix model, which included some original data from francis crick and james watson. This technological breakthrough has enabled scientists to further understand how organic life is inherited by genes and how DNA controls the operation of cells. With the gradual popularization of DNA double helix structure, it has been very familiar to people.
4. Apollo 10 space capsule
40 5 years ago, three astronauts flew around the moon in the Apollo 10 capsule, which was a preview of the first moon landing. Two months later, Apollo 1 1 successfully landed on the moon, which opened the history of human exploration of the moon. Since then, mankind has realized that the earth is only a tiny part of the vast universe, and there are still more space mysteries to be uncovered.
5.V2 rocket engine
The V2 rocket engine invented by 1942 was used as the weapon of the defeated party in World War II, but it played an important role in promoting the development of the world in the following decades.
The inventor of the rocket engine is wernher von braun. After World War II, he moved to the United States, where he worked on the newly established intercontinental missile project. After that, he came to work for NASA, and successfully developed and designed the Saturn 5 rocket with Apollo 1 1.