Google is back again with another interactive Doodle -- this time the new Google Doodle is for Alexander Calder, the American sculptor and artist most famous for inventing the mobile sculpture -- so, the logo today is the "mobile sculpture" that Calder invented 80 years ago -- celebrating Alexander Calder's 113th birthday which falls on July 22.
Alexander Calder (July 22, 1898 - November 11, 1976) was an American sculptor and artist most famous for inventing the mobile. In addition to mobile and stabile sculpture, Alexander Calder also created paintings, lithographs, toys, tapestry, jewelry and household objects, but his mobile sculpture is his winning moment because it's an art with a sprinkle of Physics. The Mobile Sculpture is an artwork that is using the principle of equilibrium that is allowing weighted objects hang. Objects that are in the sculpture are balancing each other to maintain their horizontal alignment.
To simplify the explanation of the Mobile Sculpture, see it below in the embedded video:
Also, embedded a YouTube video featuring Alexander Calder's mobile in his father's hometown in Philadelphia.