Aatish Bhatia, a recent physics PhD, describes the forces involved to do a skateboard Ollie. It’s all about managing your center of gravity and applying variable amounts of torque to steer the board in the air. Yeah. It probably won’t help you skate any better, but it’ll help you appreciate the tricks a little more. [via kottke]
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Peak Non-Creepy Dating Pool
Based on the “half-your-age-plus-seven” rule, the range of people you can date expands with age. Combine that with population counts and demographics, and you can find when your non-creepy dating pool peaks.
19 Maps That Will Blow Your Mind and Change the Way You See the World. Top All-time. You Won’t Believe Your Eyes. Watch.
Many lists of maps promise to change the way you see the world, but this one actually does.
How Different Income Groups Spend Money
After living expenses, where does the money go, and how does it change when you have more cash available?