Nanotechnology is an expected future tech that will make most products lighter, stronger, cleaner, less expensive and more precise.

Potential Applications of Carbon Nanotubes 
• Additives in ploymers 
• Catalysts 
    Electron field emitters for 
    cathode ray lighting elements 
    flat panel display 
    gas-discharge tubes in telecom networks 
• Electromagnetic-wave absorption and shielding 
• Energy conversion 
• Lithium-battery anodes 
• Hydrogen storage 
• Nanotube composites (by filling or coating); 
• Nanoprobes for 
    STM, AFM, and EFM tips 
    nanolithography 
    nanoelectrodes 
    drug delivery 
• sensors 
• Reinforcements in composites 
• Supercapacitor 

What are Carbon Nanotubes?

　

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Usage of Iron• High-performance magnetic recording materials. 
• Magnetic fluid. 
• Microwave-absorption materials. 
• Magnetic-conductive size. 
• Nano guide agent.