What is Ether Theory What are the basic principles of Ethernet?

Aether is a substance conceived by the ancient Greek philosopher Aristotle. It is an imaginary concept of matter in the history of physics, and its connotation has evolved with the development of physics. The word "ether" is a transliteration of the English ether or aether.

The ancient Greeks used it to refer to the blue sky or upper atmosphere. According to Aristotle, in addition to water, fire, air, and earth, there is also an ether that dwells in the upper heavens. In the history of science, it initially had a mystical tinge.

Later, people gradually increased its connotation, making it an imaginary substance that physicists in some historical periods relied on to think.

Aether is a substance conceived by the ancient Greek philosopher Aristotle. Physicists in the 19th century believed that it was a hypothetical medium for the propagation of electromagnetic waves. But later experiments and theories have shown that many physical phenomena can be explained more simply if the non-existence of the "ether" is assumed.

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How Ethernet works

The Ethernet protocol requires technical knowledge in computer science to fully understand how it works. Here's a simple explanation:

When a machine on the network wants to send data to another machine, it senses the carrier, which is the main line of the connected device. If it's free, it means that no one is sending anything, it sends packets on the network, and other devices check the number of ho taka packets to see if they are the receivers. The receiver consumes the packet.

If there is a packet on a high-family parallel highway, the device that wants to send it will delay it by a thousandth of a second and try again until it can send.

The ancient Greek philosopher Aristotle first conceived a medium. ether, aether, akashic. Specifically refers to:

The stream of consciousness that makes up space, the first and most basic element created by the spirit world when it creates the material phenomenal world. All things in the realm of material phenomena live within it. It is the first of the five basic elements (earth.

Water. Fire. Wind. emptiness) in the void, the main voice. It is also the creator of the four essential elements.

It is also often used as a synonym for "space". Between the stars, the spiritual eye can observe that the space is composed of a dark red fluid-like stream of consciousness, forming a more stable shape of the space fluid, which is the ether. After the seventeenth century, physicists reproposed it to explain the propagation of light and the interaction between electromagnetism and gravity.

At that time, it was thought that light was a mechanical elastic wave, but since it could propagate through a vacuum, it was necessary to assume that there was an ether that had not yet been discovered experimentally as a medium for propagating light. This medium is omnipresent, massless, and "absolutely stationary," and the electromagnetic and gravitational forces are its special mechanical effects. The concept of ether was widely accepted by the 19th century, but scientists have never been able to prove its existence through experiments.

At the beginning of the twentieth century, with the establishment of the theory of relativity and further study of fields, it was determined that the propagation of light and the transmission of all interactions through various fields, rather than through mechanical media, aether was abandoned as an obsolete concept. Reference.