I guess technically some of these are knots, and some are... well... not.
Planting Papaya & Maggots on the Volcano
A visit to Finca Bona Fide on the slopes of dormant volcano Maderas (Ometepe) ...
Un-possible Cubes
Hollow cubes, both possible and un-possible:
Concepcion Volcano, from San Jorge
Quick beachside sketch of Concepcion, island of Ometepe, as seen from the old port town of San Jorge:
La Chispa Comics
Our students at La Chispa library (Matagalpa) try their hands at autobio comics:
Reading Time at Ocalca
Prime Spirals
Just playing around a bit with the Ulam spiral... It makes me want to cover the walls with such spirals to study how patterns form along diagonals:
First Glimpse of the Sea
A few fotos from our recent annual Coffee Camp field trip to Leon & the Pacific coast at Poneloya ...
Healthcare time!
Our Coffee Camps provide students with regular visits from healthcare experts, including our student nurse, Anielka ...
Ama tu ritmo / Love Your Rhythm (Dario)
A passionate Dario poem with a mathematical pulse ...
Nica History: José Dolores Estrada
Quick classroom snapshot of José Dolores Estrada's contributions to Nicaraguan history ...
“Un Millón de Amigos” (More Verses)
Here are some more verses to Roberto Carlos's beloved song, as sung/drawn/realized by my students at Ocalca Coffee Camp ...