In this tessellation, golden rectangles are shown in yellow. The orange darts are each made of two golden gnomons, joined at a leg — while the blue rhombi are each made of two golden triangles, sharing a base.
To make this rotating .gif, I navigated to the rhombic triacontahedron in Stella 4d, and then loaded images onto its thirty faces, with the image being the one I blogged in the post right before this one. This program, Stella, has a free trial download you can get right here.
The wildlife in Yellowstone National Park live there; the people are merely visitors. I stopped our car when I saw a bison (what some call buffalo) grazing by the side of the road; I wanted a good picture.
I certainly did not expect what happened next — the bison decided to calmly strut into traffic! He stayed there a while, too. In Yellowstone, the wildlife have the right-of-way.
I made this using Stella 4d, which you can try for free at http://www.software3d.com/Stella.php.
At the time my wife took this picture, I did not yet realize that we were walking around on an active volcano when we recently visited Yellowstone National Park. The outgassing behind me, which I had just walked through, should have clued me in, since it had a strong smell of hydrogen sulfide mixed with hydrochloric and sulfuric acids. At a gift shop, I found a book by Greg Briening called Super Volcano: The Ticking Time Bomb Beneath Yellowstone National Park. It explains the science of Yellowstone, and makes a strong case that the volcano that created Yellowstone will blow up again, possibly soon, with cataclysmic consequences worldwide.
These pictures all include Delicate Arch, which I once painted, before first seeing it for real a few days ago. It’s the sandstone formation on the left.
We visited Arches N.P., in Utah, on our way to Yellowstone National Park. More vacation pictures are coming soon.