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 ...

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 ...

[Kyle] came across a project which he thinks is “simply elegant”. If you don’t already have a PCB vice, here’s an easy way to build one of your own. This one’s so good but alas it’s not a hack. Check ...

The ADAR One sensor is now suitable for SIL2 and PL d applications and is certified to fulfil all requirements of the ...

You don't need a physical scanner to quickly sign, scan and send official documents -- just use the iPhone in your pocket. David Lumb is a managing editor for the mobile team, covering mobile and ...

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 ...

Winter in the parts of the Northern Hemisphere for which observing Christmas includes bringing half a forest into the house should really be divided into two seasons. No-spruce-needles-in-the-carpet ...

Semiconductor detectors that directly measure the electrical signals produced by X-rays have hugely improved the resolution and contrast of computed tomography scanners. In the 1970s computed ...