He turned his head and after some seconds detected a bright blue patch against the ink-black sky.

With his one eye, Bert Smith cannot detect anything clearer than large dark forms against bright light.

The range was far too great for detailed analysis, but it should at least be able to detect the Enterprise against the background of empty space.

These guidelines are used to detect patterns of job discrimination against blacks, women and Hispanic Americans.

Paterno did not say if he detected a bias against Penn State.

Some social scientists and school administrators detect a backlash against them now that their achievements have become such a part of current lore.

This site is designed to help you detect counterfeit currency and guard against forgery loss.

Through the bleariness he detected a glow against the hills, a hint of light.

He started to speak, remained silent as his eyes detected movement against the orange glow of clouds directly in front of him.

The extent of damage can therefore be difficult to detect against this background variability.