If you’ve ever driven past a building and seen a faded advertisement on the side of the brick, or spotted a neon sign for a restaurant where a real estate office now sits, those are ghost signs. A new book called The Ghost Signs of NYC tours these signs and advertisements and tells the stories of how they got where they are. Plus: meet the world's largest paint ball!
Underwater photos are usually greenish or blueish and the brighter colors are washed out. An engineer and oceanographer has come up with an algorithm she calls Sea-thru that can bring those colors back into the image. Plus: the Las Vegas Pizza Festival is about to get underway.
Bob Dylan still doesn’t like cell phone cameras at his concerts, judging by the admonition he gave a crowd this month. And yet, one of the most famous images was a concert photo taken by a random guy in the crowd!