{
    "byline": null,
    "charset": "UTF-8",
    "dir": null,
    "excerpt": "View moves the camera only: drag to rotate, right-drag or two fingers to pan, scroll to zoom. Press pushes the skin with a fingertip and drags it. Scalpel incises to the cut depth, punch removes a cylinder of that depth, ablation has no depth limit. Laser treats a spot of the radius set below with an array of microcolumns. The wheel zooms whatever tool is selected.",
    "lang": null,
    "length": 3931,
    "publishedTime": null,
    "siteName": null,
    "title": ""
}