Friction Material Fade - When pads reach high temperatures they can sometime "outgas" chemicals that redeposit themselves on the surface of the brake pad.

摩擦性材料衰减——当刹车片达到高温时有时会“蒸腾”出一些化合物并再次沉积到刹车片的表面。

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Still, the pad itself has just the right amount of friction, and already responds well to those Win 8 gestures, so we feel it has potential as a more all-purpose navigation device once Lenovo fixes the drivers.

ENGADGET: Lenovo ThinkPad Twist review: an old form factor gets new life with Windows 8