With computing machinery in its infancy, it was human computers that provided the calculations for research which made early aircraft safer, faster and more aerodynamic. Many of those human calculators were African-American women. Women like research mathematician Katherine G. Johnson.
What if your job takes you somewhere that no postal service reaches, like low earth orbit?
Daylight saving time (DST) ends Sunday at 2 a.m. locally. Nearly all in the United States enjoy an extra hour of sleep while our cell phones, computers and a lot of other gadgets silently update themselves. But not all clocks need to be changed because they do not observe daylight savings.
The difference between scattered and isolated is in the extent of coverage and the associated likelihood, or probability, of measurable precipitation associated with the storms.