OpenVCAD is a completely open-source tool, meaning it is widely available for engineers around the world to use. It even ...

Once the stuff of science fiction, 3D printers are now mainstream tools for creation and innovation. These devices, which transform digital blueprints into physical objects, have dramatically evolved ...

Click to open image viewer. CC0 Usage Conditions ApplyClick for more information. Sewing Machine Patent Model. Patent No. 4,750, issued September 10, 1846. Elias Howe Jr. of Cambridge, Massachusetts.

From movies and gaming in the den to outdoor screenings, the right projectors bring big-screen entertainment home. Here’s what to look for as you shop—and the models that impressed us most in our ...

From TVs to projectors — if you’re looking for the best, this is where you’ll find it.