The following text summarizes information provided in the video. In the human body, only the retina allows the examiner to achieve direct visualization of the central nervous system and the ...

The development of advanced methods for non-destructive selective imaging of painted works of art at the macroscopic level based on radiation in the X-ray and infrared range of the electromagnetic ...

This contrivance has long been used in Boston, by Dr. Clarke, for the purpose of directing the sun's rays upon the ear. — Editors.

If you enjoyed this article, I’d like to ask for your support. Scientific American has served as an advocate for science and industry for 180 years, and right now may be the most critical moment in ...