The crash barriers on the coastal highway absorbed the impact, preventing cars from tumbling into the sea.

The contractor installed a layer of barrier board between the roof deck and the insulation to meet fire and thermal-performance requirements.

The fusion experiment struggled because the Coulomb barriers between nuclei were higher than expected.

Researchers developed a novel nanoparticle that can cross the hematoencephalic barrier to deliver drugs directly to the brain.

Many textbooks describe the speed of light as the Einstein barrier, emphasizing that it cannot be crossed by accelerating from subluminal to superluminal velocities.

The workers installed barrier boards along the roadside to protect pedestrians during the construction.

Many couples choose barrier methods to reduce the risk of sexually transmitted infections while avoiding hormones.

Volunteers helped immigrants overcome language barriers at the community center.

The warehouse upgraded its tilt barriers to prevent shelving units from toppling during earthquakes.

Coastal engineers installed ice barriers to protect the harbor from drifting floes.