How to create photo-realistic graphics using Pov-Ray and associated programs.

00: Adventures in Ray Tracing: 07: Changes to the Interior of Objects

00: Adventures in Ray Tracing: 13: Virtual Telescope II: Cassegrain

Monks Mound at the Cahokia Mounds UNESCO World Heritage Site near Collinsville, Illinois (© Matthew Gush/Alamy)

Cranberry bog (© SHSPhotography/Getty Images)

nikitonsky: Bold font is for highlighting. If you have many of something, like body text or a list, don’t make it bold. For highlighting to work, some things must not be highlighted

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Sunflower (© Dileep Chandran/Alamy)

We break down how we reduced Firefox out-of-memory crashes on Windows with a simple trick. Poorly behaving web pages and apps are no longer capable of crashing the browser by exhausting memory. The post Improving Firefox stability with this one weird …

Red fox in Amsterdamse Waterleidingduinen Nature Reserve, Netherlands (© Edwin Giesbers/Minden Pictures)