Nanotechnology & MEMS

Nanotechnology simulations model matter at the scale of nanometres — billionths of a metre — where quantum mechanics, surface chemistry, and thermal fluctuations dominate. Molecular-dynamics simulations place gold and carbon nanoparticles in a simulation box and integrate Newtonian mechanics under Lennard-Jones and Tersoff interatomic potentials, showing self-assembly, surface reconstruction, and tribology at atomic resolution.

Carbon nanotube band-structure simulations compute electronic dispersion relations as a function of chirality vector (n,m), explaining why some nanotubes are metallic and others semiconducting depending on how the graphene sheet is rolled. Stochastic-resonance simulations add noise to a weak signal and show how an optimal noise level actually enhances signal detection — a phenomenon exploited in nanoscale sensor design. These models bridge condensed-matter physics and emerging nanotechnology applications.

Each simulation in this category is built with accuracy and interactivity in mind. The underlying mathematical models are the same ones used in academic research and professional engineering — just made accessible through a web browser. Changing parameters in real time and observing the results is one of the most effective ways to build intuition for complex scientific and engineering concepts.