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"Master, you are finally here! I have been waiting so hard for you!!"

The eldest sister who ran over shocked Charles and An Pei when she saw the savior.

She put on a miserable look, and almost cried, and said, "I won't say anything extra, you are an expert, and you know that materials science is to throw gold coins into the water and listen to the sound, for these paints that change color by temperature I even invested my own dowry money, and it took several years to succeed!"

"You see that Madam likes my cup so much, so you can give it to two hundred ore! Otherwise, if I can't get married without a dowry, I can only marry you!!"

Seeing that the girl was interesting, An Qi covered her mouth and laughed.

Charles rolled his eyes at her and said helplessly, "She's not my wife."

"It's not impossible to give you two hundred ores, three or five hundred is also possible, as long as you can develop the product I need."

The eldest sister's expression became serious, and she asked slowly, "What kind of products do you need?"

Charles replied: "I will give you 100 ore to buy out the current patent for this thermochromic material, and then I will give you 100 ore for research funding. After the carnival, you will go to Shield Bridge College to find an industry-university-research base. Vichy, let her help you coordinate the resources, the goal is to show the temperature of the steel furnace, and I bought it out with two hundred ore."

The other party agreed immediately after two minutes of consideration, and the two signed an agreement and gave money on the spot.

In order to celebrate the signing of the contract, An Qi can take this color-changing cup casually, and it doesn't matter if it is emptied.

An Qi took four mugs with different patterns, one for each of her mother and sisters.

The two continued to stroll. This time, the surrounding schools had eyesight. When they saw McGarden walking with the cute girl, they didn't chase after Medivh like the other day, but shouted nearby.

In a booth, An Qi looked at a hairpin the size of a pinky thumb, then put it down with a sigh of disappointment and left with Charles.

"I really didn't expect it," she said to Charles. "The magic shield with the same effect was the size of a slap, but now it can be made so small."

Charles took her hand subconsciously again, and said as he walked, "That magic circle can shrink to the size of a fingernail with another year or two."

An Qi asked him, "What do you think the smallest magic circle can be reduced to in the future?"

Charles thought for a while and said, "It is estimated that it can be done at the millimeter level based on the existing theory. If there is a breakthrough in the magic interference theory, material research and processing technology, I estimate that it can be made smaller. I just don't know if I can live to the level. That time."

After he finished speaking, he felt An Qi's hand suddenly tighten, and then he was pulled to the front of a booth full of middle-aged women, and the smell of fried eggs was still floating.

An Qi was obviously avoiding the question of life expectancy. She saw an aunt coming out of the booth with a frying pan, so she stepped forward to ask what was special.

"This pot is so easy to use!" My aunt had a good impression of the beautiful lady who spoke to her politely, "It doesn't stick to the pot when you cook it, and it doesn't stick to the egg when you beat it directly, but it's a bit expensive, and it costs two Where's Dinar?"

After she finished speaking, she handed the still warm frying pan to An Qi, apparently after trying it and no problem before buying it.

An Qi took the pan and touched it, flicked it twice, and handed it to Charles.

Charles took a closer look and found that the pot was brushed with a layer of clear paint about one millimeter thick. This paint was a bit like Teflon, it was smooth to the touch, and it was a little hard when I flicked it with my fingers.

He took out a gold coin to the aunt and said politely, "Lady, I like this pot very much, can you sell it to me?"

"Oh, what kind of lady is I, a bad old woman." The aunt's smile was as bright as the sun in the sky, and she accepted the gold coins that were five times the price of the pan, and turned back to line up.

Charles took the frying pan in one hand and An Qi with the other to a nearby cold drink stand. After ordering two glasses of juice, he sat there and began to study the coating.

He mentally scanned again, pulled with his fingernails, even scratched with a knife, poured some juice on it, and finally cut out two pieces from the bottom of the pot and pressed them together to estimate the coefficient of friction.

An Qi watched him concentrate on tossing for half an hour, and when he put down his things and picked up the already warm juice, he asked curiously, "Do you care?"

Charles nodded and said: "The coating material in this pot is based on the magic core of Warcraft. I don't know what was added or it was processed with a unique process. It is very smooth, hydrophobic, and has a certain hardness. It can be used not only in the pot."

After he finished speaking, he found that An Qi was looking at him with a smile, and asked, "Why are you looking at me like this?"

An Qi said: "Looking at your appearance, this must be a big business to make money."

Charles smiled and said, "Well, I'll give you 2,000 Ole Gold coins, and you can help me buy out the patent for this paint. The extra money is yours."

Even though An Qi has lived for nearly two thousand years, she has never had any experience in negotiating with others. After taking the check board from Charles, she was excited and nervous to negotiate with others.

Charles waited there for half an hour, chatted with a few familiar people who came over to rub their faces, and stunned a pickpocket with an empty juice glass, and An Qi returned happily.

"Here!" She handed Charles a stack of parchment, with an "I'm great, compliment me" look on her face.

"Only two hundred gold coins?" Charles was frightened when he saw the numbers on the patent transfer agreement. "You didn't threaten people with force, did you?"

According to his estimation, the market size of this material is huge, and it is not surprising that the patent buyout starts at 1,000 ore, and it is not surprising that it reaches 3,000 ore.

An Pei's mouth pouted, it used to be a small fist on the head~lightnovelpub.net~ Am I so bad? She said angrily, "The traveler was stupid when he saw that I was so cute. When I tentatively offered two hundred ore, he nodded immediately and wrote down the production process. "

Charles looked at the production process that followed, mainly putting the magic core of demon beast without magic power and potion together in a pressure cooker and simmering for a few hours, and then concocting it again.

It doesn't seem to be difficult. If the girl who has lost the game of cards tonight, let her do the experiment.

An Qi, who made a lot of money, was so happy that she began to hum the previous song, which was actually sung by Charles listening to the girls in the Navy.

Charles asked her, "How does it feel to make money?"

"Get up!" She grabbed Charles and got up, "Go and see what else can make money, I'll help you talk!"

Charles silently touched her head, feeling that he had turned on the girl's money-making switch?