Carbon nanotubes (CNTs), cylindrical molecules made of carbon atoms, have garnered significant attention for their exceptional mechanical, electrical, and thermal properties. Their potential applications span numerous fields, from aerospace engineering to medicine. However, the widespread adoption of CNTs is not without its challenges. The remarkable strength and lightweight nature of CNTs make them ideal for reinforcing composite materials, leading to stronger and lighter vehicles and aircraft. This translates to potential fuel efficiency gains and reduced carbon emissions, aligning with global sustainability goals. In medicine, CNTs are being explored for drug delivery systems, enabling targeted therapies and minimizing side effects. Their high surface area allows them to carry large payloads of medication, enhancing treatment effectiveness. Furthermore, CNT-based biosensors offer the potential for early disease detection. Despite these promising applications, the large-scale production and implementation of CNTs face obstacles. The cost of synthesis remains relatively high, hindering their widespread use in many industries. Moreover, concerns exist regarding the potential toxicity of CNTs, particularly their long-term effects on human health and the environment. Comprehensive toxicological studies are ongoing to address these safety concerns and establish safe handling procedures. The ethical implications of nanotechnology, particularly regarding equitable access to CNT-based technologies and their potential misuse, also require careful consideration. The successful integration of CNTs into society hinges not only on technological advancements but also on addressing societal and ethical concerns proactively. Open dialogue among scientists, policymakers, and the public is crucial to ensure responsible innovation and prevent unintended consequences. Only through a holistic approach that considers scientific progress, economic viability, and social responsibility can the full potential of CNTs be realized for the benefit of humanity.
1. According to the passage, which of the following is NOT a potential application of carbon nanotubes?
2. What is a major obstacle to the widespread adoption of CNTs, according to the passage?
3. The passage suggests that the responsible development and use of CNTs requires:
4. What is the main purpose of the passage?