What other examples do you know that technological development has changed human life?

1 and X-ray: 190 1 were discovered by the German physicist Roentgen and widely used in medical diagnosis and the study of material structure.

2. Penicillin: 1928, British bacteriologist Fleming discovered penicillin from the stock solution of mold, which is still the best antibiotic discovered by human beings.

3. Hybrid Rice: 1964, Yuan Longping discovered a natural plant in the vast sea of rice, which started the second green revolution of agriculture in China.

3. Internet: 1969, the Pentagon pioneered the Internet.

4. Mobile phone: In 1930s and 1940s, the walkie-talkie that appeared in World War II was the embryonic form of mobile phone. In 1970s, civil intercom mobile communication service began to be popularized. Now, mobile communication can be carried out anytime and anywhere.