Author name: Marek

A Racing Kayak before Sunrise Ready for a Paddling Workout

This is one of my recent paddling pictures: WSBS Thunderbolt kayak before sunrise on a one of lakes in Arapaho Bend Natural Area in Fort Collins, Colorado. During winter and early spring, I paddled and photographed also other boats from my paddling fleet: Penebscot 16 canoe, Sea Wind expedition canoe, Alpacka Yukon packraft. Badfish and …

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Butterfly Curve and Other Computer Graphs on a Blackboard

Here is a new series of pictures featuring my favorite vintage slate blackboard – graphs of different mathematical functions. I am also using a more high-tech setup – a digital tablet. The new gallery in my stock photography portfolio includes simple trigonometrical functions like a sinusoid, parabola, Gaussian curve, exponential and limited growth curves, and …

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