This is just the beginning! Our collection holds over 300 years of history, including rare newspapers, obituaries, marriage records, birth records, and so much more—most of which you won’t find anywhere else!
Ultraviolet and Infrared Rays Reveal Hidden Substances
The article explains how ultra violet and infra red rays reveal unseen aspects of nature and celestial bodies. It details Professor Robert Wood's experiments photographing objects with invisible rays, observing lunar craters, planetary belts, and flame dynamics. It notes animal vision possibly uses these rays, and highlights Wood's inventions like a fish eye camera and a revolving mercury mirror.
MENTIONED IN THIS ARTICLE
Robert W. Wood
Johns Hopkins University
Wood
Meon
Aristarchus
Saturn
Jupiter
Professor Wood
Sicily
Italy
Latamia
Syracuse
Wells
Great Britain