Nostalgia is driving up sales for Polaroid

Nov 23, 2016
Tech correspondent Molly Wood talks to Polaroid CEO Scott Hardy about his company's resurgence in the age of retro aesthetic.
Visitors check out the Polaroid stand at the 2014 IFA home electronics and appliances trade fair on September 5, 2014 in Berlin, Germany. 
Sean Gallup/Getty Images

Finding reality in photos in the age of filters

Jul 13, 2016
National Geographic shares how it checks for accuracy in photos.
Digital technology has simplified the alteration of images, such as moving a pyramid to make a horizontal image fit on a vertical cover (see below).
Gordon Gahan/National Geographic