Curated OER
Educational Technology Clearinghouse: Clip Art Etc: William Roentgen
A German physicist, of the University of Wurzburg, who, on Nov. 8, 1895, produced and detected electromagnetic radiation in a wavelength range today known as x-rays or Rontgen Rays.
Curated OER
Web Gallery of Art: The Ray
An image of "The Ray", created by Jean-Baptiste-Simeon Chardin in 1728 (Oil on canvas, 114 x 146 cm).
Curated OER
Web Gallery of Art: The Ray of Sunlight
An image of "The Ray of Sunlight", created by Jacob Isaackszon Van Ruisdael, c. 1660 (Oil on canvas, 83 x 99 cm).