There are three more interactive graphs on the Interactive Graphs page for a total of five. One is Arctic Sea Ice extent by year for the months of March (high month), June, September (low month), and December, along with regression lines and residual plots (snapshot here). The other two represent …

Read More »## How many ways does NASA use pi?

At least 18 according to the Jet Propulsion Laboratory at NASA based on the article for pi day — Oh, the Places We Go: 18 Ways NASA Uses Pi. Number 12 on the list: Keeping rover wheels turning: Rover wheels have distinct designs on them that leave patterns on the …

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