Eric Walker added Video filmed at four trillion frames per second captures light in a flash : Research Highlights to Photography

Eric Walker added r/TheWayWeWere - Randall Champion, at the top of a utility pole, brushed one of the lines where 4000 volts entered his body and instantly stopped his heart. Thompson, who had been ascending below him, quickly performed mouth-to-mouth. He eventually fully recovered. to Photography and Cardiopulmonary resuscitation (CPR)

Eric Walker added r/itookapicture - ITAP of a girl in a doorway in Old Quebec to Photography

Eric Walker added a number of topics and a number of links to Photography, video and film, and added Photography, video and film to Art, music, sculpture, architecture and design

Eric Walker added r/EarthPorn - Diamond beach on Nusa Penida, Indonesia [3939 × 4923] [OC] and r/wallpaper - Rest of the sea is ignored, when the lighthouse is seen (1280x720) to Seascapes and seascape photography, and added Seascapes and seascape photography to Photography

Eric Walker added a number of topics and a number of links to Photography, and added Photography to Photography, video and film

Eric Walker added Aerial tiltshift photography and a number of links to Tiltshift (photography), and added Tiltshift (photography) to Photography

Eric Walker added a number of links to Aerial photography, and added Aerial photography to Photography

Eric Walker added a number of topics and a number of links to Landscape photography, and added Landscape photography to Photography and Places