A discrepancy between first- and third-party benchmark results for OpenAI’s o3 AI model is raising questions about the company’s transparency and model testing practices. When OpenAI unveiled ...

and the most famous of the Model 1877 revolvers was the "Lightning." Watch our "American Rifleman Television" I Have This Old Gun segment above to hear the story of Colt's famous Lightning revolver.

A loaded handgun police believe was partially created using 3D-printing technology was seized by officers responding to a trespass call in Brampton. Four people were arrested on April 5 after officers ...

The replacement, it turned out, could also be a trial for industrial-scale 3D-printing of custom rail shelters. Serendix, a construction firm that previously 3D-printed 538-square-foot homes for ...