Описание презентации по отдельным слайдам:
Вack to the past
500 years ago it took five months for the news of Christopher Columbus' arrival in America to reach Queen Isabella in Spain.
4000 years ago in Ancient Egypt people carried letters by hand over hundreds of kilometres.
In 1876, when Alexander Graham Bell demonstrated a fantastic new invention called the telephone, nobody was very interested in it.
The first fax machine appeared at around the same time, but it was so enormous that no one wanted one.
There was the walkie-talkie, a small two-way radio first used by the US army in the 1930s.
Progress in medicine
All for a man. We should produce as much goods as possible. As a result we should "intrude" into our nature, violating natural laws of its development. A man and his well-being, or the nature and its well-being. The third is not given.