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Mind Map: Nano Technology | Science & Technology for UPSC CSE

The document Mind Map: Nano Technology | Science & Technology for UPSC CSE is a part of the UPSC Course Science & Technology for UPSC CSE.
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FAQs on Mind Map: Nano Technology - Science & Technology for UPSC CSE

1. What is nanotechnology and how is it applied in various fields?
Ans. Nanotechnology refers to the manipulation of matter on an atomic or molecular scale, typically between 1 to 100 nanometers. Its applications span numerous fields including medicine, where it is used for drug delivery and imaging; electronics, where it enhances the performance of devices; materials science, contributing to the development of stronger and lighter materials; and environmental science, improving the efficiency of energy systems and pollution remediation.
2. What are the potential benefits and risks associated with nanotechnology?
Ans. The potential benefits of nanotechnology include improved medical treatments, enhanced materials with superior properties, and innovative solutions to energy and environmental challenges. However, there are risks involved, such as possible toxicity to humans and ecosystems, ethical concerns regarding privacy and surveillance, and the need for regulations to manage the safe use of nanomaterials.
3. How has nanotechnology evolved over the years?
Ans. Nanotechnology has evolved significantly over the past few decades, starting from the early studies in the 1980s and 1990s that established the fundamental principles of nanoscale science. Key milestones include the invention of techniques like scanning tunneling microscopy and atomic force microscopy, which allowed scientists to visualize and manipulate materials at the nanoscale, leading to rapid advancements in various applications.
4. What role does nanotechnology play in healthcare?
Ans. In healthcare, nanotechnology plays a crucial role in targeted drug delivery systems, where nanoparticles can deliver medication directly to diseased cells, minimizing side effects. It is also utilized in diagnostic imaging, enabling more accurate detection of diseases, and in the development of advanced materials for implants and prosthetics that can better integrate with human tissue.
5. What are the regulatory challenges faced by nanotechnology?
Ans. The regulatory challenges for nanotechnology include the need for comprehensive safety assessments due to the unique properties of nanomaterials, which may behave differently than their larger-scale counterparts. Existing regulations may not adequately address the specific risks associated with nanotechnology, leading to calls for new frameworks that ensure public safety while fostering innovation in the field.
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