Science: Wear Socks Not To Keep Warm

As the saying goes, after the Laba (the 8th day of the twelfth month of the Chinese lunar calendar) is the year, this time is basically the coldest time in winter. The reporter learned from our meteorological department that there was a cold air in the north on these days. When winter comes, many people pay more attention to the warmth of feet.

It is common knowledge that "cold is born from the foot". Many people like to wrap their feet up and down, such as wearing socks, wearing tight shoes, etc. Is this method really useful? Recently, it has been told that the tighter the shoes are, the easier it is to freeze feet.

　　 Reporter experiment

Shoes are too tight and wear socks to keep them warm.

Experiment 1:

Outdoor walking for three or four hours, wearing two socks is about 3 degrees higher than that of a sock.

This reporter wears two socks on his left foot and wears a sock on his right foot. Journalists are as normal as usual. During the three or four hours of outdoor activities, reporters first trotted for a while, then boarded them, and finally walked for a while.

At first, when reporters wore socks, they felt that they were more warm than a pair of socks. But after a while, they felt that the feet with less socks were warmer. After a while, they felt that there was no difference between the two feet.

After a half day's activity, the reporter used the infrared thermometer to carry out his feet. Thermometry Finally, it shows that the temperature of the left foot wearing two socks is 28.6 degrees. Socks The right foot is 31.2 degrees.

From the results of this experiment, we can see that the feet of a pair of socks are much warmer than those worn by two socks.

　　 Experiment two:

6 floors up and down. shoes Wear more loosely than shoes.

The reporter invited an experiencer to take part in the experiment. First of all, reporters let the experiencer wear a pair of shoes with shoelaces. Then the reporter tied the shoelaces of his left foot tightly, keeping his heels close to his shoes, and the shoelaces of his right shoes were loosely loosened so that the toes could move freely inside. When the experiment is ready, the experiment begins. In order to better observe the results of this experiment, the reporter let the experiencer go up and down the 6 floor to see the temperature of the feet after exercise.

After climbing the floor for second times, the experiencer told reporters that after the exercise, both feet felt the temperature almost the same, which was very hot, but the left foot was much sweeter than the right foot. Subsequently, the infrared thermometer was used to measure the temperature of the left and right feet of the experiencer. The final measurement result was 31.2 degrees centigrade on the left foot and 34.9 degrees in the right foot.

As a result of the experiment, shoes wear much more tightly than shoes.