Over the history of photography, less and less skill was required to take photos. Photography used to be alchemy: chemistry, glass plates, very skillful processes. Then cameras evolved to free us from the requirement of tech skills. But now we have so much choice, so many tools. Is it now harder to produce great images? | Photo highlights: Trent Mitchell's series of images on people who body surf. The art and photography of Felix Hernandez. The Camino Voyage | Picks of the week: New MIT algorithms to make movies from stills. Make your own rocket.