"So..." In the face of the boss's reply, Rodney thought about it and asked, "have you been waiting for the rain? Have you ever thought of drilling a well to extract groundwater or using other methods to obtain fresh water? "

The boss shook his head and said, "there is only one well in the town. Originally, after several rains a year, the groundwater in the well is enough for everyone's daily drinking. However, it hasn't rained for more than a year, and it has been used up for a long time. It's because there is little fresh water left that people choose to leave here. As for the other ways you said to get fresh water, I don't know. We have always been like this It depends on rain and groundwater. "

Rodney is silent. Normally speaking, we can use distilled water to get fresh water by the coast. Although drinking too much distilled water is not good for human body, we can greatly reduce the demand for fresh water in a short time to solve the urgent need. However, people here do not seem to know this.

He can also see that the scientific and technological tree of the world is obviously a little crooked. Because of the relative blockade of the sea area and the difficulty in communicating with the outside world, many people's lives are different, some in modern times, some in the middle ages, and some even in ancient times.

Their daily life is not colorful. Science and technology are also used to serve the upper class. People at the bottom seldom come into contact with them. They continue to use what has been handed down from ancient times to today.

There are even people who can emit lasers, but some people's lives are still in ancient times.

I really don't know how to do it. Isn't technology for people?

It seems that people in this world spend all their energy on war, and they don't pay attention to the ordinary people. Is human life so worthless because of low productivity?

Your sister!

Rodney breathes out that he is not a science student. It is even more impossible to lead the world to carry out scientific and technological revolution. He can only do what he can.

His three outlooks are incompatible with the world. Even though they have been integrated into a part of the world, some of them still feel uncomfortable.

He stood up and asked, "boss, do you have concave glass here? It's better to have a concave glass

"Concave glass, I think so. What are you doing? "

"Just an experiment." Rodney said with a smile.

The boss took out a glass plate, which seems to be used to hold vegetables. It's quite big.

I asked the boss for two pots.

Go to the San Dora River, fill half of the sea water in the big basin, put the small basin in it, bury it in the sand, and cover it with concave glass facing the big basin.

Expose it to the sun.

The boss asked curiously, "guest, what are you doing?"

"Take fresh water from the sea." Rodney said.

His words shocked the boss, "take out fresh water from the sea, break fresh water from the sea? Visitor, are you kidding Influenced by science and technology, the boss has no knowledge of distilled water, but they will distill fresh water in the wet sand.

they still live on God's help. If it rains, they will not die. The water in the sand is only a few after all.

Although the concave glass has astigmatism, due to the exposure of sand and the sun, the sea water begins to evaporate rapidly. The water vapor is blocked by the concave glass when it flies. Rodney spits out a mouthful of cool water to condense the hot air into the cold water.

Because of the curvature of the glass surface, it moves towards the middle and finally falls into the small basin in the center, and his water is constantly evaporating.

Half a basin of water evaporates quickly. When Rodney sweeps away the sand on one side, he takes out the hot glass and two basins. The small basin is full of warm distilled water, while the surface of the large basin is covered with a layer of salt crystals, and the bottom of the basin is a paste of water and salt.

He handed the distilled water to the boss and said, "try it."

The boss shook his hands and took a drink.

It's light, without a little salty and astringent taste of sea water. It's a little different from the usual water, but it's undoubtedly fresh water.

Fresh water, really out of the sea?

With tears in his eyes, he held the water and cried, "if only you could come earlier and earlier, then there would not be so many people left and so many people died."

Rodney said: "although it's fresh water, it's not good for people to drink it for a long time. They usually eat more vegetables and other foods." Since there are not many trace elements needed by human body in distilled water, drinking too much is not good for human body, but it can be supplemented in other ways.

"Oh, by the way, remember to store some ice in the evening."

The temperature difference between day and night in the desert is very large. It is normal to be 40 or 50 degrees in the daytime and below zero at night. Condensation of distilled water is a key step. Its water temperature is only lower than that of steam. It is better to use ice.

He wrote down the things and steps needed for distilled water on paper and gave them to the boss.

The boss is like a treasure, which is like life to those of them who don't understand this method.

Having water in the desert means being able to live.They no longer need to look at the face of the sky.

Thank you for all this.

"Guest, may I have your name, please?"

"JOSTAR J. Rodney, remember every step above. It's better to customize a better collector." Rodney has had enough rest and is ready to go.

"Lord Rodney, are you leaving? Can you stay a few more days? When everyone knows what you've done, you'll become a national hero like Lord krocdal. " The boss said from the bottom of his heart.

He believed that Rodney would become a greater hero than klockdale. Klockdale guarded the people, but Rodney's method could save more people. If it spread, it would save many people's lives.

"No, it's just a small thing. I have more important things to do, please Rodney sailed and left with the sledge.

The boss looked at the far away back, firmly believed that Rodney's name must be praised by everyone in alabastan.

....

Not long after leaving aruma, Rodney stopped the sledge.

In front of him, a house size tawny turtle stood in front of him.

On the back of the tortoise was a seat with an umbrella. There were two people on it, a man and a woman.

The man has dark skin and wears a brown coat. There is a white number "5" in his left chest and the lower right corner of the coat. He has a dirty pigtail and sunglasses. He looks like a rock singer.

The woman is wearing a small parasol, a lemon yellow buttock skirt, a cut lemon logo on the skirt, and a yellow hat. She is a fashionable and beautiful woman. It gives people a sense of schadenfreude when she laughs.

The woman looked at the wanted order on her hand, which was Rodney's face before, and said with a smile, "Oh, I found it. It's a pity that the wanted order has been revoked. Three million Bailey is a lot of pocket money. What a pity. "

One side of the man, said: "no more nonsense, miss. Valentine's day, we can finish the task after we kill him."

On Valentine's day, we went here to kill this guy? I can't stand the sun. "

Mr. 5 was expressionless. He put a finger into his nose, picked out a lump of nasal excrement, pinched between his fingers, pointed at Rodney and said, "it's easy to kill him. It's very simple."

With a flick of the finger, the nasal excrement flew out of the hand.

Nose shit!

Boom!

The violent explosion aroused a lot of dust. A kuwu with a detonator flew out and dived into their seats. The detonator ignited fire. Mr. 5 caught the detonator.

The detonator exploded, and his hand was nothing but black.

"I'm the one who ate the fruit of the Superman explosion, and the explosion is useless to me," he said

"Is this his last struggle?" she said with a smile on Valentine's day? Mr. 5, that's pathetic. "

"That's what the weak are like. Our task is over... " Mr. 5 pushed miss. Valentine's day away with one hand, wiped the swords in one hand, and plunged into the sand behind them.

Looking around, I saw Rodney standing there undamaged, smiling and saying, "surprises mother fuck!"