Winner: Parents' Choice Gold Award, 2010 Do Walt Disney Imagineers encounter resistance in their work? Of course they do... when it comes to friction! Here the Imagineers showcase how different types of friction - static, kinetic, and...

Lyndon Johnson ascended to the presidency upon the assassination of John F. Kennedy. He was a large, imposing man, who had been an influential Senate Majority Leader and Vice President. And as President, it is difficult to say whether he...