To serve the ball in tennis, a player first tosses the ball in the air. The New York Times explained the details behind the simple action, from mechanics, positioning, to point of contact. They got fancy with it.
Science of the tennis toss
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Data Underload #3 – The Resolution Cycle
Late at night, the new year’s resolution longed for a straight line.
Restaurant Reopenings, a Comparison to Last Year
Restaurants are reopening for dining across the United States. Some states are doing it faster than others.
How Much Minimum Wage Changed in Each State
Minimum wage has increased over the years, but by how much depends on where you live.