Most users interact with the surface web through search engines and social media platforms.

The professor used a Catalan surface as an example of a ruled surface with all rulings parallel to a fixed plane.

Catalan surfaces illustrate how a single mathematical pattern can produce infinitely many nontrivial geometries.

In calculus class, we studied how to compute the volumes and surface areas of surfaces of revolution using integral methods.

Delivery drivers preferred using surface streets during rush hour to avoid tolls on the highway.

After the heavy rains, pollutants from the factory flowed into the surface waters, threatening local wildlife.

Scientists analyzed the surface layers of the meteorite to determine its history.

The fleet's surface ships patrolled the coastline through the night.

The surface tensions of the droplets changed depending on the concentration of the surfactant.

Different coatings alter the surface energies of materials, affecting how liquids spread and beads form.