Lithium-ion batteries power the iPhone (among other things), but what if we could use a different power source like coal or diesel? With some back-of-the-napkin math, Jon Keegan for the Wall Street Journal imagines what if. It’s all about the body fat-powered iPhone with nine days of battery life.
Imagining alternative iPhone power sources
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Divorce Rates for Different Groups
We know when people usually get married. We know who never marries. Finally, it’s time to look at the other side: divorce and remarriage.
How the American Work Day Changed in 15 Years
The American Time Use Survey recently released results for 2018. That makes 15 years of data. What’s different? What’s the same?
Famous Movie Quotes as Charts
In celebration of their 100-year anniversary, the American Film Institute …