How does scientific and technological development benefit mankind? How does technology change our lives? Modern science saves the environment from deterioration?

Throughout history, from printing to papermaking, from word processor to network consultation, human intelligence has been deepened, which is the humanistic motivation; In terms of human spiritual values, science and technology have helped people get rid of poverty, and network scientific and technological information has brought the fourth wave of thinking about democracy and human rights. Physiologically, from antibiotics to organ transplantation, from irrigation to the improvement of biological varieties, it has solved the crisis for mankind again and again. When the development of science and technology deepens, broadens and optimizes people's physiological, psychological and spiritual values, can it be said that the development of science and technology inhibits people's all-round development?

The most direct embodiment is medical treatment. We are a healthy person standing here now. Of course, we can say that scientific development is harmful because it destroys the environment and adds many unnecessary things to the earth. But those struggling patients, because there is no scientific development and no more advanced medical means, can we still say that environmental protection comes first? Is life important or environmental protection important? ...

At present, most gold is extracted unscathed by special mining technology. Suppose that in the past, about 5% or 60% of a piece of gold would be wasted. Without the development of science and technology, so much property would be wasted.

In the past, people's technology was not so developed. Trains were all started with coal, which polluted the air.