What science was the exception to Socrates' I know I know nothing? Detailed answer

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What science was the exception to Socrates' I know I know nothing? Detailed answer

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What science was the exception to Socrates' I know I know nothing?

"I know that I know nothing" is the well-known saying of Socrates. In addition to him, Plato recorded another Socratic phrase: “I always say that I know nothing, except perhaps one very small science - erotica (the science of love). And in it I am horror

Authors: Jimmy Wales, Larry Sanger

Random interesting fact from the Great Encyclopedia:

When were dogs domesticated?

Hundreds of thousands of years ago, huge mammoths roamed the land covered with dense forests. People at that time lived in caves and dressed in the skins of wild animals. It was then that the dog became a friend of man.

But it didn't happen right away. At first, the dog followed the man during the hunt, picking up the remains of his prey. Then the man became her leader, since the instinct of the pack was very strong in dogs. Soon the dog became a man's assistant on the hunt and in the household. But all this happened long before the very first annals. Therefore, we can judge when this happened only by the remains of dogs and people found in the caves of the Stone Age.

An even earlier history of dogs goes back centuries and cannot be traced. Many scientists believe that dogs are the result of a mixture of wolves and jackals. Others say that only from wolves, others - from jackals or coyotes, and some say that even from a fox. But the most common theory is that modern dogs and wolves are descended from the same ancestor.

This theory helps explain the differences in size and appearance of various breeds of dogs, as well as their habits. When a dog turns three times before going to bed, it is an age-old need to settle down, because many years ago they slept in dens that were built from leaves or grass in the jungle. Another confirmation of the wild origin of dogs is the structure of their body, adapted for rapid movement and fight. All this, together with a keen sense of smell and excellent hearing, are the necessary qualities for a wild hunter.

Over time, when the annals of human history began to be kept, references to dogs appeared. There are images of them on Egyptian tombs, and they are already 5000 years old. The Egyptians considered the dog sacred, and when she died, the whole family went into mourning.

So since ancient times, dogs have been loved and revered by people almost all over the world. But there are also exceptions. Hindus still consider the dog unclean, and Mohammedans despise this animal.

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New Toyota engines 15.04.2014

Toyota has introduced new 1,0 and 1,3 liter displacement petrol engines, featuring improved performance and low fuel consumption.

Power plants operate on the Atkinson cycle. In such units, the working stroke (3rd stroke of the Otto cycle) is increased due to the complication of the crank mechanism. The Atkinson cycle provides good environmental performance and economy, but requires high RPM. At low speeds, the engine produces a relatively small torque and may stall.

Computer controlled Atkinson cycle powertrains are used in the Toyota Prius, Lexus GS 450h and Lexus CT 200h hybrid vehicles. New installations are designed for independent use, without an additional electric motor.

The 1,0 liter unit has a compression ratio of 11,5:1. This three-cylinder unit produces 68 horsepower and 95 Nm of torque. Claimed fuel consumption is only 3,9 liters per 100 kilometers. The thermal efficiency is 37%.

The 1,3-liter four-cylinder engine has a compression ratio of 13,5:1. The thermal efficiency is 38%.

A number of innovative technologies are used in power plants. These are, in particular, the Variable Valve Timing intelligent Electric (VVT-iE) variable valve timing system, the Exhaust Gas Recirculation (EGR) cooled exhaust gas recirculation system, a specially designed inlet channel, etc.

By 2015, Toyota intends to release 14 modifications of power plants based on the new 1,0- and 1,3-liter engines.

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