There are many different kinds of manipulation, but only a few that are inappropriate and even fewer that are fraudulent, she says. (scientificamerican.com)
Given the right kind of manipulation, a smooth surface can be made to mimic the feel of a range of materials, and a solid slab can be made to feel like shifting sand. (newscientist.com)
It's the worst kind of manipulation, and caused a couple of titters for its ripeness at the preview I attended. (filmfreakcentral.net)