"What does the carbon cycle say? ”

Chen Xiu picked up a modern fired ceramic plate on the table and showed it to everyone, and then asked Captain Long Zhi, "Captain Long, this plate of yours shouldn't be an antique." ”

Although this is an archaeological salvage ship disguised as a cargo ship, it will also be extravagant to the point that the fat man used in daily life is also an antique, Long Zhi shook his head and said, "Of course not." ”

"Is there a machine on the ship that takes X-rays?" Chen Xiu asked again.

A 10,000-ton cargo ship working with hundreds of people, there is naturally no shortage of these simple medical equipment ships.

Although Long Zhi didn't understand what Chen Xiu meant, he nodded.

"Take this plate for X-rays, one second is a year, and then you take it for elemental testing, and I promise it will soon become a plate that you want for as many years as you want!"

As soon as Chen Xiu's words fell, everyone was in an uproar, and they didn't believe it.

Professor Fang's students are not bad at academics, but they are all students who have never been in the society, and they are all familiar with the theoretical knowledge in textbooks. However, the method of using X-rays to make old is a forgery in the antique world, and they are not clear about this method.

"Impossible!"

Xiao Ma was also like most students, naturally he didn't believe what Chen Xiu said, and said sharply: "If you can make it old with X-rays, wouldn't it be possible to make fakes all over the world!"

Chen Xiu smiled lightly and said, "If you don't believe it, you can test whether what I said is wrong." The boat is well equipped anyway!"

Mr. Chen is right, X-rays can indeed change the decay period of carbon, thus making the year identification biased. ”

Professor Fang stood up at this time and explained: "A few years ago, a Tang Sancai horse transported from Huaxia to Europe was intercepted by customs, but when experts used the currently commonly used thermoluminescence technology to identify this Tang Sancai horse, they found an unexpected result. Thermoluminescence dating shows that this is a "cultural relic" from 3,000 years ago.

The history of Tang Sancai is only about 1300 years, how could the handicrafts of the Tang Dynasty appear 3000 years ago?

Later, the antiquities dealer was investigated, and it was discovered that this was a fake that had been transformed by high-tech counterfeiting methods.

In order to deceive thermoluminescence dating, counterfeiters use X-rays to irradiate fakes, but they do not know the time well, leading to a joke of 3,000 years.

I didn't tell you about this kind of falsification before, because we don't need it in academics.

So these forgery techniques will not be written in textbooks either. ”

The people present were all Professor Fang's students, so naturally they had no doubts about his words, and they couldn't help but think in their hearts: "So that's the case! But how can this Chen expert understand this kind of forgery technique?"

When Xiao Ma heard Professor Fang say this, he naturally knew that the method of thermoluminescence dating was unreliable, but he was still unconvinced: "Even if you have the means to change the thermoluminescence dating, it can't prove that my piece of ancient jade is fake!"

"Really!"

Chen Xiu sneered and asked, "You just said that the ancient jade yearbook of your dragon pattern jade carving is more than two thousand years, that is, around the Warring States Period, right?"

"That's right!"

"Then I'm asking you, what are the characteristics of the dragon pattern carving in the Spring and Autumn Period and the Warring States Period, and what kind of knife work is used to carve it!"

"This ......"

It is true that Xiaoma is a master's student in archaeology, and he is mainly specialized in the history of the Ming Dynasty, but the history of China for 5,000 years, with written and physical evidence, has been more than 4,000 years since the Shang Dynasty, and he is proficient in every era.

At the moment, he was asked by Chen Xiu and couldn't answer for a while.

Chen Xiu smiled and said, "It seems that you don't know either, let me tell you."

During the Spring and Autumn Period and the Warring States Period, the dragon body was surrounded by a double yin line to extrude the yang pattern line, highlighting the dragon-shaped outline, the dragon body was long, zigzag-shaped, and the horns in the dragon pattern had a basic rule, that is, the Shang Dynasty had no horns and was not a dragon, the Western Zhou Dynasty had horns and no feet, and the horns of the Late Zhou Dynasty were shaped like ears, and the Warring States period was no different from the ears.

As for the knife work, it is different from other periods, it is more simple, the decoration is protruding, and the three-dimensional sense is strong. ”

Chen Xiu directly pulled the ancient jade off the pony's neck and showed it to everyone.

"The dragon carving on this jade pendant has a long neck and long beard, and here it can be carved an auspicious cloud to show that the dragon sees the head but does not see its tail, which is the carving and technique of the Song Dynasty. ”

As soon as Chen Xiu's words came out, Xiaoma's face was hot, as if he had been slapped fiercely.

Originally, it was just to embarrass Chen Xiu, but how did he know that he was slapped in the face like this by his backhand!

"In that case, this piece of jade is an ancient jade of the Song Dynasty!

A classmate who is good friends with Pony stands up to help refute it, but when he says this, it feels like a slap in the face to himself. If it is really Song jade, why use X-rays to forge it into more than 2,000 years ago.

But he was still unconvinced and said: "Then what do you say about this Qin! This is at least a good piece of jade!"

Chen Xiu sneered, these days the pride of the sky, the flowers in the greenhouse will not be convinced if they don't tear off his last trace of covering.

"Pony-san, if your fake jade is smashed, you won't be angry, right?"

"What?"

Before the pony could come to his senses, Chen Xiu threw the ancient jade to the ground, and it was immediately broken into three or four pieces.

"Such a big piece of Qinxin, even if it is a modern antique carving, its own value is not low. ”

The student who was good friends with Xiaoma stepped forward and grabbed Chen Xiu's collar and said, "Such a good jade, it is worth at least hundreds of thousands of dollars now, you will lose money quickly!"

"Sun Yan, don't be rude, let go of Expert Chen. Professor Fang shouted.

"Teacher, it's obvious that he did something wrong and broke Matthew's ancient ...... Yu Pei, it's his fault if it's wrong!" Sun Yan still grabbed Chen Xiu's collar.

"Enough!"

This time it was the pony who stopped drinking, only to see him blushing and lowering his body to pick up the broken jade on the ground, and the broken jade broke out of the blue and yellow liquid, and now everyone understood what was going on with the so-called "Qin" in his jade pendant.

Sun Yan was also embarrassed to let go of Chen Xiu's collar.

"I don't apologize to Mr. Chen yet!"

Professor Fang loudly instructed Xiao Ma and Sun Yan: "This is Mr. Chen teaching you to be clever, you can't learn these broken jade skills in your lifetime in school, don't thank Mr. Chen soon!"

As he spoke, he looked around and said to the students, "You too! Don't think that you are a great student." The antique is very deep, and there are many methods, and I don't know how many experts and professors are planting in it. ”