SRTT Chapter 35.7

The return air furnace burned for about half an hour.

Zhou Sulan couldn’t help taking off her coat: “This works well, just like when we were little and our family sat around the fire.”

“I think we don’t need to use the electric blanket, just use this.”

Ruan Ning shook her head: “The temperature is high now. This will only ensure that the house is not so cold when the temperature drops.”

Zhou Sulan sighed: “Okay.”

Ruan Ning took Zhou Sulan’s arm and acted cute to her: “Mom, I have cherries, durian, grapes, Qiuyue pears, and ice cream here, do you want to eat?”

Zhou Sulan was amused by her: “Eat, eat, eat, take it out quickly.”

Ruan Ning quickly took out seven or eight kinds of fruits from the space. She also took out cola, coconut milk, melon seeds, dried meat, candied fruits, and potato chips.

After thinking about it, she took out various braised dishes and three cans of yellow peaches.

Zhou Sulan was surprised: “Your space is a treasure chest.”

Ruan Ning handed her a plate of grapes: “Mom, try it. It’s sweet.”

She took out an ice cream for herself: “It’s quite refreshing to eat Magnum while warming myself by the fire.”

Zhou Sulan quickly said, “Girls should eat less ice, do you know that?”

Ruan Ning smiled at her: “Next time, definitely next time.”

Because the cold wave came at two o’clock in the morning, it was definitely not easy to sleep at night. Ruan Ning discussed it with her parents and the three decided to go to bed early.

Zhou Sulan still slept with her daughter.

At half past one, the mobile phone vibrated.

Ruan Ning suddenly woke up, turned off the alarm on her mobile phone, and woke up Zhou Sulan who was still sleeping.

The three of them put on thermal insulation clothes and the anti-freeze clothes that she bought at a high price. Then, they came to the living room to light a fire.

Ruan Ning took out an alcohol thermometer from the space and hung it on the wall.

Ordinary thermometers could only measure minus 40 degrees at most, but this alcohol thermometer was said to be able to measure minus 100 degrees. She didn’t know if this was just a waste of money.

At two o’clock in the morning, it came quietly.

The windows and the front door had been covered with thick quilts, and there were double-layer blackout curtains. Now that the lights were on in the house, it couldn’t be seen outside.

Ruan Ning walked to the alcohol thermometer and watched it suddenly drop from around minus 20 degrees and then continued to drop.

If it were represented by a line, it would be a straight line that fell off a cliff.

Minus 20 degrees.

Minus 30 degrees.

Minus 40 degrees.

In just a moment, it dropped to this value.

“What a perverted setting.” Ruan Ning couldn’t help but exclaim.

She turned around to look at her parents and found that they were applying hot packs to each other.

Ruan Cifeng shuddered: “It’s so cold. If I sleep here, I’ll freeze to death.”

Ruan Ning was silent for two seconds and quickly put on a thick down coat: “Mom, Dad, turn on all the stoves.”

Zhou Sulan said ‘Yes’, and Ruan Ning rushed out of the house.

It was even colder in the corridor.

Even though she was wearing so many clothes, Ruan Ning still shivered and felt like her breathing was frozen.

She quickly ran to the next door. She didn’t dare to knock on the metal door with her bare hands, so she clenched her fists into her sleeves and then knocked on the door.

“Cheng Jili, Cheng Jikuan.”

“Cheng Jili! Wake up!”

After shouting for more than ten seconds, Cheng Jikuan’s voice came from inside: “I’m awake!”

 

 

*****

Translator’s Little Encyclopedia

The Limit of Human Cold Tolerance (Part 1)

The body is integrated with many mechanisms to cope with the harshness of the environment, especially before the cold to protect itself.

Specifically:

Vasoconstriction: Vasoconstriction is the process of narrowing of blood vessels caused by the contraction of small muscles in the walls of blood vessels. When sensing cold air, the body will respond by moving blood away from protruding parts such as fingers and toes. That amount of blood will be channeled into the central areas of these organs. The vasoconstriction will help limit the amount of body heat lost to the environment.

Trembling: As soon as the temperature drops, some people will experience shivers, goosebumps, teeth chattering, and shivering. This is one of the brain’s warnings to command the muscles to contract continuously. This response helps the body generate more heat, raising body temperature, keeping vital organs warm, and alerting people to find a warmer place.

The cold tolerance limit of each person will be different. People who are used to cold areas have better cold tolerance. Specifically, people who live in snow-covered regions all year round like Antarctica or Siberia in Russia (average temperature is about -60°C) can survive if good body protection measures are taken. This level of cold is almost too much for people living in other areas with warmer temperatures.

 

 

 

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