The Wallace–Bolyai–Gerwien theorem says that if you have two polygons of equal area, you can cut one into pieces, and then place them back together to form the second piece. Dima Smirnov and Zivvy Epstein made an interactive to demonstrate. Draw two shapes and watch the magic happen.
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The Relationship Timeline Continues to Stretch
We know that people are marrying later in life, but that’s not the only shift. The whole relationship timeline is stretching.
Cost of College
We know that more education usually equals more income, but as the cost of education continues to rise, the challenge to earn a college degree also increases.
Why I Want to Quit Cable
There are good reasons to cancel cable, but there were a few channels and programs that kept me on. When you look at it in dollars though, it’s hard to justify the value for the cost.