Nanotechnology: What is It?

Nanotechnology operates at the atomic and molecular scale, offering potential for creating smaller, stronger, and more efficient products. It is already used in various everyday items. The technology is named after the nanometer, a unit of measurement for atoms and molecules. Materials at the nanoscale can exhibit different properties, such as nano silver's antibacterial qualities and carbon nanotubes' strength. Future applications could revolutionize industries, but the risks and benefits are still being evaluated.

What is the primary scale at which nanotechnology operates?

• Centimeters

• Nanometers

• Millimeters

• Kilometers

Which of the following is a property of nano silver?

• Non-conductive

• Strong antibacterial agent

• Highly reactive

• Weak and brittle

Carbon nanotubes are known to be how many times stronger than steel?

• 50 times

• 100 times

• 10 times

• 200 times

What potential future application is suggested for carbon nanotubes?

• Developing new pharmaceuticals

• Building unsmashable cars

• Creating biodegradable plastics

• Enhancing solar panels

What is a major concern regarding the advancement of nanotechnology?

• High production costs

• Limited availability of materials

• Ethical and safety risks

• Lack of public interest