CLEAN: German IT sector in bullish mood at world's top tech fair

What are some applications of reflectivity mentioned in the video?

• Music and art

• Gardening and landscaping

• Cooking and cleaning

• Remote sensing and security

What is the significance of reflectivity in security applications?

• It is used for decoration

• It is used in music production

• It is essential for cooking

• It helps in monitoring and surveillance

Why is it important for road signs to reflect light back to the observer?

• To generate electricity

• To change colors

• To absorb sunlight

• To enhance visibility at night

What is the main goal when measuring the reflectivity of materials?

• To measure the weight of the material

• To determine the color of the material

• To find the most reflective material

• To assess the temperature of the material

Who is responsible for measuring the reflectivity in the video?

• Alice

• John

• Emma

• Robert