Optical Properties: Nanomaterials can exhibit unique optical properties such as quantum dots displaying different colors based on their size. Electrical Properties: The conductivity of nanomaterials can be tuned, which is useful in electronics and sensors. Mechanical Properties: Nanomaterials like carbon nanotubes are known for their extraordinary strength and flexibility. Chemical Properties: Nanoparticles often have increased catalytic activity due to their high surface-area-to-volume ratio. Magnetic Properties: Magnetic nanoparticles can be manipulated using external magnetic fields, useful in data storage and medical applications.