He focused on the science behind nanotechnologies and on their practical applications, delving into the potential consequences of inventions. He also discussed the role of both strategically planned inquiries and unexpected discoveries in advancing the field. Highlighting his own contributions to nanotech, Alexander shared insights from his research at Skoltech. He singled out his work with diatom algae, exploring the concept of biologically assisted nanostructured additive manufacturing. This approach combines elements of biology and technology, opening doors to new possibilities.