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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States with the most and fewest firearms murders
According to 2009 numbers reported by the Federal Bureau of …
How Much You Should Be Saving for Retirement
There are a lot of variables to consider, but for people of middle income, here’s a suggestion, based on when you start saving and when you want to retire.
Career Timelines for Every Basketball Player Who Has Played an NBA Game
I was curious who played for a single team over their entire career, who skipped around, and how the patterns changed over the decades.