Mastodon Feed
jeffsonstein ("Jeff Sonstein") wrote:
‘can record surface details down to a mere 18-25 microns or less. Combining that data with… the Lucida 3D imaging system makes it even easier to measure height and depth more accurately. "We're capturing differences in height of about a fifth of the width of a human hair," Barrett told Ars. "So we're starting to see the materiality of the substrate. Whether it's parchment or paper, we can see all of these invisible markings—scratches people have left behind."’