(a) Schematic of spray cooling on 3D-ordered hierarchical micro/nano-structured surface. (b) Top-view SEM image of the structured surface. (c) Partial enlargement SEM image of the sidewall surface.
When I launched my first influencer campaign for a boutique brand, I assumed I needed big influencers because it looked glamorous on paper, but I didn't see the results the brand wanted. Engagement ...