Question

What is a useful technology developed from scientific observations on the nano- scale?

1.Kepler telescope
2.carbon nanotubes for stain resistant clothes
3.the photometer

Answer 1

carbon nanotubes for stain resistant clothes

Step-by-step explanation:

Nanotubes are fibers created at the nano scale and can be designed to have special properties of stain resistance.

Answer 2

2.carbon nanotubes for stain resistant clothes

Step-by-step explanation: