image text translation
Kim Sang-yuk
21 minutes
The Science of Foil Blanket
A silver blanket or space blanket is literally a blanket from space.
It was developed by NASA to insulate heat and conduct it to the continent.
Transmitted in three ways: copying. by evangelism and the continent
To prevent heat loss, wear a hat, coat, and shoes.
However, copying is difficult to prevent.
Radiation is produced by all objects with a temperature range in the form of electromagnetic waves.
It is a phenomenon of releasing energy. learned in high school physics
It is ‘black body radiation’: the body of a person with a body temperature of 36 degrees emits infrared radiation.
Make a copy of the band. Infrared rays are highly penetrative and penetrate through clothing.
It is difficult to completely block it. In the vacuum of space, radiation
This is the order of the reasons for heat loss: so in space
Bad luck is important.
Kim Sang-yuk
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Radiation is an electromagnetic wave, so it reflects off the metal:
There are free electrons, making the electric field size 0.
Electromagnetic waves are vibrations of electric fields, so they cannot enter metal.
does not exist. Therefore, reflected. It’s called silver foil, but it’s actually silver.
No, it’s aluminum: Aluminum is the most abundant substance in the earth’s crust.
Because it is a metal, it is cheaper than silver. Aluminum is highly reflective.
It’s metal. Mirrors are made by combining aluminum with glass.
Silver foil is a thin plastic material coated with aluminum.
It’s a blanket. Therefore, it reflects infrared rays from the body to raise body temperature.
Preserves it.
Therefore, the Kisses protesters in Hannam-dong can be called space warriors.
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