مكونات الغلاف الجوى: تأثير غاز النيتروجين على الأشياء

The video tutorial explains the properties of nitrogen, particularly its liquefaction at 77 Kelvin. It discusses the effects of liquid nitrogen on materials, making them brittle and easily breakable. Safety precautions are emphasized when handling liquid nitrogen. The video also explores alternative cooling methods using dry ice and acetone. Demonstrations include freezing grapes and banana peels to show how low temperatures affect materials.

What new insight or understanding did you gain from this video?