Mantle (geology) Mantle (geology) The mantle is a layer inside a planetary body bounded below by a core and above by a crust. Mantles are made of rock or ices, and are generally the largest and most massive layer of the planetary body. Mantles are characteristic of planetary bodies that have undergone differentiation by density. All terrestrial planets (including Earth), a number of asteroids, and some planetary moons have mantles. The Earth's mantle is a layer of silicate rock between the crust and the outer core. Its mass of 4.01 × 10 kg is 67% the mass of the Earth. It has
What the Bleep Do We Know!? plays the role of everywoman as she experiences her life from startlingly new and different perspectives. In the documentary segments of the film, interviewees discuss the roots and meaning of Amanda's experiences. The comments focus primarily on a single theme: "We create our own reality." The director, William Arntz, has described "What the Bleep" as a movie for the "metaphysical left". Work was split between Toronto-based Mr. X Inc., Lost Boys Studios in Vancouver, and Atomic Visual Effects in Cape Town, South Africa. The visual-effects team, led by Evan Jacobs, worked closely with the other film-makers to create visual metaphors