"Watching it with the sound off is completely compelling. The music is great, but the images get into your head better without it. YMMV, of course."

"Thank you, Martin. Wonderful tour! We have been fortunate to see a few masked dances, and they are magical. You and WBY are exactly right. In performance, the mask alters reality."

"Thanks! Here are a couple of more direct links to Getty newsletter articles on the photo: http://www.getty.edu/conservation/publications/newsletters/17_2/gcinews1.html http://www.getty.edu/conservation/publications/newsletters/19_1/gcinews4.html"

"not the first one Which one are you referring to? According to the timeline offered at the Harry Ransom Center, where the print resides, though the exact date of the print's creation is uncertain, previous attempts were to copy engravings by…"

"... talking about evidence, Niépce's image from 1826 was irretrievably lost... I believe it is in the Photography Collection of the University of Texas in Austin. See this page: http://www.hrc.utexas.edu/exhibitions/permanent/wfp/"

"starting with framing and lens choice, angle, exposure and ending with how the final image is displayed/printed Not to mention that, until recently, it all depended on a chemical reaction of silver to light. It is all, always, secondary to the…"

"I have never been to Yosemite and only hope that the beauty of his photographs are realistic interpretations. It will disappoint you. It's in color."

"Hi, all. I do agree with Batchimeg S. that the subject as given is very broad. It's hard, if you live a farm life, not to hold to your heart the matters of food security, sustainability, development, and so on. Perhaps I should specify a…"