On that wiki the participants of the project 'Let's Make a T-shirt Together are collaborating. Here you can learn more about the Bulgarian pen pals who are starting the project, also about their teacher Rositsa Mineva, partnerships they make and their activities using many web tools for communicating with penpals all around the globe, for creative learning and getting 21st century skills.
Flipping the Classroom - I really want to try this out if I do teach 5th or 6th grade, have some really great ideas especially if I get to have Edmodo! For ELA, would post grammar and vocab lecture videos, pose online reading discussions, and then in class would focus on small group discussions and reinforcing lecture concepts :D
Nikola Teslas Amazing Predictions for the 21st Century | Paleofuture http://blogs.smithsonianmag.com/paleofuture/2013/04/nikola-teslas-amazing-predictions-for-the-21st-century/?utm_source=smithsoniantopic_medium=email_campaign=20130421-Weekender