Question

Card 1

1. What is nanotechnology?

2. Do you know of any examples of nanotechnology?

3. When do you think nanotechnology will be a widely used part of our life?

4. Why do you think people are interested in nanotechnology?

Answer 1

Відповідь:

1) Nanotechnology is the study and manipulation of materials on an extremely small scale, typically at the level of individual atoms or molecules. It involves the design, production, and application of structures, devices, and systems that have unique properties and functions due to their small size.

2) There are many examples of nanotechnology, such as:

- Sunscreen: Some types of sunscreen use nanoparticles of titanium dioxide or zinc oxide to provide protection from the sun's harmful UV rays.

- Nanoparticle-based drug delivery: Nanoparticles can be used to deliver drugs directly to cancer cells, allowing for more targeted and effective treatment.

- Nanowires: These are ultra-thin wires that can be used to create tiny electronic components, such as transistors and sensors.

- Self-cleaning surfaces: Some coatings and materials contain nanoparticles that make them self-cleaning, repelling dirt and other particles.

3) Nanotechnology is already being used in various applications, such as electronics, medicine, and energy production. However, it may still take some time before it becomes a widely used part of our daily lives. The development and adoption of new technologies can be slow and costly, and there may also be concerns about the safety and ethical implications of certain applications of nanotechnology.

4) People are interested in nanotechnology for several reasons. One is its potential to revolutionize various fields, such as medicine and energy production, by enabling the development of new materials and devices with unique properties and functions. Another is the possibility of creating more efficient and sustainable technologies, such as solar cells and batteries. Additionally, some people are interested in the ethical and social implications of nanotechnology, such as the potential impact on jobs and the environment, and the need to ensure its safe and responsible development.