Q8.Why is nanotechnology one of the key technologies of the 21st century? Describe the salient features of the Indian Government’s Mission on Nanoscience and Technology and the scope of its application in the development process of the country.

Nanotechnology, manipulating matter at the nanoscale (1-100 nm), leverages unique properties for groundbreaking advancements, making it a key 21st-century technology.

• Enables breakthroughs across diverse sectors like medicine, energy, electronics, and environment due to unique nanoscale properties.
• Offers transformative solutions to critical global challenges such as healthcare, climate change, resource scarcity, and sustainable development.

• Launched by the Department of Science and Technology (DST), it promotes basic research, infrastructure development, and human resource training in nanoscience and technology.
• Key features include establishing Centers of Excellence, fostering international collaboration, encouraging industry-academia linkages, and addressing ethical considerations.

• Healthcare: Targeted drug delivery, advanced diagnostics, and medical implants.
• Energy: More efficient solar cells, improved batteries, and fuel cells.
• Agriculture: Smart fertilizers, pesticides, and food packaging.
• Environment: Water purification and pollution control.
• Further applications include advanced electronics and defense technologies.