I built a 3D printed, scanning laser confocal microscope so I could collect 3D surface topology and profilometry data! The ...

The Singapore Police Force (SPF) is making use of new technologies such as unmanned aircraft vehicles (UAVs) and 3D scanners to enhance efficiency in forensic investigations. The fundamentals of ...

When light reflects off a surface, not all of it reflects off at the same wavelength; some photons impart a portion of their ...

SINGAPORE – The Singapore Police Force is taking advantage of technology such as artificial intelligence to help forensic specialists and investigators solve cases, and to optimise the use of ...

A Spectra Physics Model A supermarket scanner—one of the first ten ever produced. A laser within the unit projects a beam onto a mirror that redirects it through the glass plate on the top. Cade ...

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 ...

How do you measure the inside of a cave? You could do a bunch of hard work with classic surveying gear… or you could just use a laser scanner. [9nl] did the latter, with a scanning rig of ...

For more than 20 years, air travelers have had to make sure they bring their liquid toiletries in 3 oz. bottles only, then chug their drinks before passing through airport security — a reaction to ...

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James has been writing about technology for years but has loved it since the early 90s. While his main areas of expertise are maker tools -- 3D printers, vinyl cutters, paper printers, and laser ...

Time to convert your snapshots, slides, and negatives to digital format? Get the job done quickly with the right photo scanner. Here are the top performers in our testing, based on our deep-dive ...

Compare the best receipt scanner apps for 2026, including pricing, features, pros and cons, and top use cases for small businesses. Looking for an app to help you track expenses, scan invoices, and ...