One Square Meter of Prairie

One Square Meter of Prairie

Photo © Chris Helzer / TNC I was thrilled to photograph two different monarch butterflies inside the plot, the more so because of their current population declines.

How to Calculate the Physics in Super Smash Bros. Ultimate

How to Calculate the Physics in Super Smash Bros. Ultimate

Here is the rule that I have for a jumping Captain Falcon: Yes, that seems like a crazy model, but when I run it I get the following plot (along with data from the video analysis).

Use a Slo-Mo Video to Calculate How Fast Glass Shatters

Use a Slo-Mo Video to Calculate How Fast Glass Shatters

Oh, don't forget to change the frame rate in the video.Here is the plot of the position of the leading edge of the crack as a function of time.Rhett AllainI should point out that I converted the distance to meters instead of feet because I'm not a barbarian (but if you are a barbarian, I'm OK with that).

Why do people live in flood-prone areas? Reflections from Dar es Salaam

Why do people live in flood-prone areas? Reflections from Dar es Salaam

“They should not be there; they know it’s not safe!” Citizens, journalists, and policymakers, express disbelief that people relocated to safer parts of the city return to their former, flood-prone neighborhoods.