Save the file by hitting Ctrl+O, then quit nano with Ctrl+X. Close the terminal window. (You can type the command exit to do ...

The world of car diagnostics has changed a lot over the last 50 years. Back in the '70s and earlier, a mechanic's most valuable diagnostic tools were usually their eyes and ears. You could figure out ...

Need to scan family photos, piles of documents, or expense receipts? Our experts have tested the best options for every scanning scenario. Since 2004, I have worked on PCMag’s hardware team, covering ...

A shoulder computed tomography scan or (CT or CAT scan) creates cross-sectional images of the shoulder using specialized X-ray cameras. This scan can help doctors see the bones and soft tissues in the ...

Scanning probe microscopy images a sample by scanning a physical probe just above the surface. A variety of different probes and detection modalities can be used to generate either a topological map ...