Nanomaterials enhance portable devices in several ways: - Improved Battery Life: Nanotechnology can significantly enhance the energy density and charging speed of batteries. For instance, nanostructured electrodes in lithium-ion batteries can increase charge capacity and reduce charging times. - Enhanced Display Quality: Quantum dots and other nanoscale materials can create displays with better color accuracy, brightness, and energy efficiency. - Stronger and Lighter Materials: Incorporating nanomaterials into the structural components of devices can make them more durable and lighter, enhancing portability and resilience.