25.0 MB (676.9 KB compressed)
2500 x 3500 pixels
21.1 x 29.7 cm ⏐ 8.3 x 11.7 in (300dpi)
D. ROBERTS / SCIENCE PHOTO LIBRARY D. ROBERTS / SCIENCE PHOTO LIBRARY
Hourglass. Conceptual X-ray of capsules falling through an hourglass, or egg-timer. This could represent the time- release capsules used by some pharmaceutical drugs.
Model release not required. Property release not required.