Elaboration of Nanopartictes -- Solid-phase elaboration -- Mechanical milling -- Liquid-phase elaboration -- Sonochemistry -- Microemulsion synthesis -- Solvothermal syntheses -- Sol-gel syntheses -- Gas-phase elaboration -- Condensation in inert gas -- Explosion of metal wires -- Thermal plasma synthesis -- Laser ablation -- Pyrotechnic synthesis -- Methods for Preparing Nanothemites -- Introduction -- Physical mixing -- Mixing in hexane -- Mixing in isopropanol -- Mixing in water -- Mixing in other solvents -- Dry mixing. -- Aerosol synthesis of the "building blocks" for physical mixing -- Coating -- Coating oxide with fuel -- Coating fuel with oxide -- Coating of fuel with a metal layer -- Sol-gel method -- Formation of oxide around, the metal particles -- Preparation of oxides subsequently mixed with metal -- Impregnating porous solids -- Assembly -- Chemical methods -- Biological methods -- Electrical methods -- Structuring at the surface of substrates -- Conclusions and perspectives -- The Experimental Study of Nanothermites -- Introduction -- Study and properties of main fuels -- Nanometric aluminum -- Other fuels of interest -- Oxidizers of interest for nanothermites -- Metal or metalloid oxides -- Oxidizing salts -- Methods for the characterization of nanothermites -- Reactive characterization -- Morphological characterizations -- Conclusion: performance of nanothermites and their enhancement -- Nanothermites and Safety -- Introduction -- Pyrotechnic safety -- Definition and measurement of sensitivity -- Techniques used for the desensitization of nanothermites -- Pyrotechnic risk assessment -- Regulatory aspects -- Neutralization of nanothermites -- Toxicological risk -- Toxicity of the constituents and reaction products of nanothermites -- Analyses of specific risks and good practices -- Conclusions and perspectives