A key to keeping students on task is closing their window of opportunity to get off task. And never is that window more wide open than when you turn your back to write on the board. Case in point, my ...

John McCain has frequently criticized Barack Obama for a $3 million earmark for an "overhead projector" for a planetarium in Chicago. Paul Knappenberger, president of Chicago's Adler Planetarium, ...

Anuli is a writer and new-media enthusiast who dreams about becoming the sixth Spice Girl. Until then follow her on Google+ or Twitter: @akaanuli. Educators have been using projectors to integrate ...