You don't need a scanner to sign, scan and send official documents. Just use the iPhone in your pocket. David Lumb is a senior reporter covering mobile and gaming spaces. Over the last decade, he's ...

Looking for an app to help you track expenses, scan invoices, and receipts? We've reviewed the top 6 receipt scanner apps. Find out the best software for you. I’ve tested the best receipt scanning ...

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 ...