All Toothed Whales have at least one dorsal fin. Both of these types of whales were once widely hunted for a variety of reasons. The Baleen Whales seemed to be hunted on a larger scale. First, they were less dangerous so the risk involved was reduced.Second, their oils were used for cooking, to make clothing, and for other resources.ll Toothed Whales have at least one dorsal fin. Both of these types of whales were once widely hunted for a variety of reasons. The Baleen Whales seemed to be hunted on a larger scale. First, they were less dangerous so the risk involved was reduced.
We need robots to help humanity bear the challenges of today and tomorrow As we have seen in the previous two part of this series, robots will help us cope with the demography burden all countries will face after they complete their demographic transition.
A robot is a programmable mechanical device that can perform tasks and interact with its environment, without the aid of human interaction. Robotics is the science and technology behind the design, manufacturing and application of robots. The word robot was coined by the Czech playwright Karel Capek in 1921.ensors provide feedback based on the robotâs surroundings, which is then sent to the Central Processing Unit (CPU) . The CPU filters this information through the robotâs programming and makes decisions based on logic.