"I showed my butt to everybody while trying to get it out," laughs the "DONDI" banker.

In the early 2000s, the idea that you could write programs on microcontrollers that did things in the physical world, like run motors or light up LEDs, was kind of new. At the time, most people ...

The sketches on this page have been generously donated by leading engineering offices. They represent a broad range of scenarios where freehand drawings are the preferred tool of the engineer. Thanks ...

Reintroduced black-footed ferrets scurry through tunnels in the loamy ground. Horned Larks and Grasshopper Sparrows sing from grass stalks, and elusive Eastern Black Rails scuttle through wetlands.

Our smallest falcon, the kestrel is also the most familiar and widespread in North America. In open country it is commonly seen perched on roadside wires, or hovering low over a field on rapidly ...