Paul5151 writes: "Do you remember computers industry 30 years ago? Huge machines helped companies and different institutions with calculations. In our days, robots industry looks very familiar to computers 30 years ago. As for computers before, now for robots are given special tasks — they are helping people with building, making cars and many other works. In 1970 people could only dream about personal computer on desk in every home and now, this is daily routine. Most can't even imagine life without PC..."
The perversity of nature is nowhere better demonstrated by the fact that, when
exposed to the same atmosphere, bread becomes hard while crackers become soft.