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Liu Wei: "In the face of such a big electric eel, it is a very stressful thing. I must carefully operate the next experiment, otherwise I will be in danger of life!"

The foam box lifted ashore.

De Ye prepared the equipment.

Liu Wei reached out to grab the electric eel, his hands stretched out very long, to avoid the body parts of the electric eel touching his body.

Electric eel seemed to be very confident in his ability. When Liu Wei grabbed it from the box [Begonia House www.htsw.info], it didn't struggle too much.

"No! Lying~"

As soon as he put the electric eel on the film, Liu Wei immediately closed his hand, and his body shook a few times.

From the heart to the whole body, all kinds of discomfort seem to be screwed together by a force.

"Liu, how are you doing?" De Ye cared.

Liu Wei paused for a moment and nodded, "My gloves seem to be getting water. The tingling sensation of the current just made me very uncomfortable!"

Deye took off his gloves and handed it to Liu Wei.

Liu Wei checked again and again, and no more accidents could happen.

Every attempt made a bet on his own life.

After making sure that the gloves and hands are dry, take out a tape measure to measure the length of the electric eel. "2.14 meters, it's great. Brothers, according to the research of the scientists, the power released by this electric eel must be surprising!"

A glance at De Ye.

The two nodded.

"Come on! Liu! Be careful!" De Ye asked.

Liu Wei bit his lower lip, holding the electrodes in his hands and approaching the head and tail of the electric eel.

"Baba Baba Baba~"

"Have you? De Ye!" Liu Weisong raised his hand and asked De Ye.

Lord Ye looked at the meter of the power regulator with a big eye and lost his mind.

"Grandpa!"

After shouting a few times in a row, De Ye recovered, and shook his head, "Liu, it's too scary! Look at this current amplitude!"

The instrument shows that the moment the current is received, the voltage reaches the peak and the amplitude tends to be vertical.

Liu Wei stared at the top peak of the instrument for a while, then turned to face the camera seriously and said, "Brothers, its discharge voltage reached 833 volts!"

"????"

"Lying trough~"

"It's scary! Dog head saves life!"

"Never be forced to slap my legs!"

"It killed instantly!"

The audience was amazed.

Liu Wei: "The voltage of 833 volts is enough to stop an adult alligator or strong buffalo in a short time and stop suffocating."

With that said, Liu Wei couldn't help shaking his body, "Grandpa, let's put it in the box first! Let's not let it run away.

Have you ever eaten electric eel? I heard the taste is not bad! "

De Ye shook his head with a smile.

Liu Wei smiled: "It's dinner for today!"

Before deciding to eat electric eel, Liu Wei has another very important thing to do, the principle of the popular electric eel.

This is also the most curious question for the audience.

Facing the live broadcast footage, Liu Wei said seriously: "Next enter the time of professional science popularization. The following science popularization content, you may only see it in the world-class scientific literature such as SCI, so interested viewers can start writing!"

"Write down, take the test!"

"I like listening to Awei's professional knowledge, although I don't understand it!"

"The nine-year compulsory education degree says it sounds amazing!"

Liu Weike said: "The question that everyone is most interested in should be why the electric eel discharges?

Before the popularization principle of the electric eel, we traced the history back to 200 million years ago. The latest research results of American scientists on electric eel power generation show that the first evolution of the electric eel to form a charging capacity was 200 million years ago.

That is to say, in the Carboniferous period of 200 million years ago, electric eels were able to release electric current through the body, and then the power-generating organs of the electric eels experienced six evolutions, and gradually formed the now perfect discharge organs. "

"Two hundred million years ago? It was alive!"

"Looking at the appearance, you know that this thing belongs to ancient creatures!"

"The electric eel 200 million years ago should be bigger! There was no human activity at that time!"

"Now, apart from humans, electric eels should have no natural enemies!"

Liu Wei went on to say: "According to long-term scientific research, the source of the discharge capacity of the electric eel was determined from the discharge body composed of its specialized muscle tissue.

The muscles on both sides of the tail of the electric eel are regularly arranged with 6000 to 10000 muscle slices, which are separated by connective tissue, and many nerves directly pass through the central nervous system.

The head of the electric eel is the positive electrode, and the tail is the negative electrode. Each muscle slice is like a small battery, which can only produce a weak voltage of 150 millivolts, but nearly ten thousand such small batteries are connected in series, and the voltage during discharge can be as high as 600~ 800V or even higher. Just like the electric eel in front of us, the peak voltage reached 833 volts during discharge, but this high voltage can only be maintained for a very short period of time, and the discharge capacity will weaken with the body's fatigue.

It needs to rest for a period of time before it can discharge high voltage in extreme cases! "

"Enough is enough, you can kill people in a few seconds!"

"Am I thinking about raising an electric eel?"

"Brother, your idea is dangerous!"

"It's better not to avoid hurting the rest of the family!"

Liu Wei: "The feeding conditions of electric eels are very harsh. Those who are not familiar with this kind of creatures, I do not recommend you to raise them.

Electric eels have no teeth, and rely on the suction of the mouth to **** food into the mouth, so the breeder needs to be very careful when feeding.

After talking about the principle of electric current produced by electric eel, let's take a look at its discharge process.

Briefly summarized, it can be understood that the surface of innervated cells has the function of nerve control ion channels. When the channel is innervated and opened, a large number of cations flow out to form a voltage, and the other side is a non-innervated sodium pump, so it can be slowed down. Slowly pump the cation back into the cell, preparing for the next discharge. Due to the countless cells arranged in a plate-like manner and with the same discharge direction, the voltage can reach a considerable level. "

"Oh!"

"???"

"I suspect the anchor is insulting my IQ!"

"speak English!"

"I seem to understand eh! Is my education too high?"

"Bah~, shameless, please take the initiative to quit the broadcast room!"

Liu Wei: "It doesn't matter if you don't understand. The research results of electric eel have accumulated over the years. If you are interested, you can study the physical knowledge about current in the future. It will not be difficult to come back and understand."

Then Liu Wei put another small electric eel caught by the villagers in the same foam box. The two electric eels did not produce conflicting friction and got along well.

Liu Wei laughed: "Is there another problem? I know everyone must be curious, why there is no electric shock between the same kind of electric eel?

Because the fat tissue in the electric eel has a good insulation effect, and after 200 million years of evolution, the body of the electric eel has adapted to the weakly charged environment, we have just said that under normal circumstances, the electric eel will not release strong electricity , So the electric eels can get along harmoniously in the water. "

"I also have a lot of fat, but unfortunately there is no insulation effect!"

"Maybe there is a warming effect, ha ha ha!"

"No, no, maybe there is a conductive effect, don't believe it, go back and feel the wires and try!"

Liu Wei reminded: "Brothers, you have to be gentle, and you can't joke around. I remember that the president of a certain country has proposed the idea of ​​drinking disinfectant, which has hurt many people!"

"I know this president, hahaha, from Deyun Society!"