Using laser technology that has an apparent resolution of only about half a centimeter is somewhat laughable. I also wondered whether the “fresh coat of desert varnish” was an April fool joke. Actually, I really look forward to every new issue. You do a great job.

Fred Dombrose
Charlotte, N.C.

For images that weren’t three-dimensional, the equipment produced detailed, 1-megapixel images, on par with many digital cameras. The “fresh” coat of desert varnish was several thousand years’ of minerals deposited by the desert itself .—S. Perkins

From the Nature Index

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