Critic Linda Holmes has always been a 3D skeptic — the glasses are fiddly and become plastic junk, the gimmicks wear off, it gets distracting, and it introduces opportunities for technical problems.
Historic sites around the world face mounting threats: war, climate change, natural disaster. There's a rush to use 3D scans for preservation. But experts have questions about how the scans are used.
In a study of people from a variety of professions, dressmakers were found to have superior 3-D vision. Could their endless hours of delicate handwork be honing eyesight?