1.   The house looked cooler, clearer, its angles sharper and shadows blacker in the high summer sunshine.

2.   Antimony atoms are heavier than silicon and scatter the electrons at sharper angles, which gives away their positions.

3.   The second test in a different auto, which presumably had a sharper angle to the windshield, produced relatively quick and certainly flawless results.

4.   The width of the female pelvis results in a sharper angle where the bones meet, which can create alignment problems for the kneecap.