Calisphere is the University of California's free public gateway to a world of primary sources. More than 150,000 digitized items - including photographs, documents, newspaper pages, political cartoons, works of art, diaries, transcribed oral histories, advertising, and other unique cultural artifacts - reveal the diverse history and culture of California and its role in national and world history.
Education users
Professors, students and teachers are free to use it in classroom presentations and demos, dissertations and other non-commercial academic works, researches and all related not-for-profit activities. The use of our files is still bound by a license but its use is completely free as long as:
(1) the downloaded image is used according to its terms and conditions;
(2) humanline.com is accredited as the source by a credit line or an active link to our website; and
(3) it is not distributed to third parties.
via http://www.freetech4teachers.com/2012/04/humanline-thousands-of-historic-images.html
Picozu Editor is a drawing and photo retouching application built on Javascript, HTML 5 and CSS3. Make sure you use a modern browser (Firefox 5, Safari 5, Chrome, Opera 10, Internet Explorer 9) if you want to play with it.
The aim of Picozu is to support brushes, filters, dynamic windows, HSL, CYMK, layers, actions history, batch processing, primitives, curves (quadratic and bezier), complex polygons, texture rendering, cropping and many more.
Organized by the Smithsonian Photography Initiative (SPI) as a series of integrated programs, click! photography changes everything invites the public to consider ways in which photography enables us to see, experience, and interact with the world.
See how often US presidents have said certain words in their inaugural addresses.
Click on the examples on the right, or type in your own word above.
Hover over points in the graph and milestones to see names and dates