1856 – Professor Hamilton L. Smith of Gambier, Ohio received the first US patent for the tintype photographic picture process. It described a method for “the obtaining of positive impressions upon a japanned surface previously prepared upon an iron or other metallic or mineral sheet or plate by means of collodion and a solution of a salt of silver.”
1878 – Thomas Edison received a US patent (No. 200521) for the phonograph. His first recording was of “Mary Had a Little Lamb” spoken into a large horn which transmitted vibrations to a needle that cut the recording on a hand-rotated cylinder.
1990 – John and Thomas Knoll launched a small software package for manipulating images meant to be bundled with scanners. It was called Photoshop.
2002 – Odyssey, the first of six current operational Mars vehicles began its mission to map the planet.
2014 – Facebook announced it was acquiring messaging app WhatsApp for $19 billion.
Read Tom’s science fiction and other fiction books at Merritt’s Books site.



Apple moves WWDC to San Jose, may get rid of its home button and Facebook starts competing with LinkedIn on job listings.