The views, information, or opinions expressed in the Industry News RSS feed belong solely to the author and do not necessarily represent those of IDEX Health & Science and its employees.
Article obtained from Photonics RSS Feed.
In September 2020, David Campbell, principal technical officer of astronomy at the University of Hertfordshire in England, found a discarded Kopparberg cider can atop one of the telescopes at the university’s Bayfordbury Observatory. It could have been an innocuous, if oddly placed, piece of pollution. When Campbell discovered a sheet of photographic paper inside the can, he suspected it may be something much more than random detritus. In fact, it was something for the record books.
The can was a roughly fashioned camera that had been taking in light through a small hole opposite the paper. More notably, however, it had been collecting this light for eight years and one month, to produce the longest known photographic exposure…READ MORE