Unverified50% confidenceFactExact time
In the field of interaction design, "frictionless" is often broken down into three measurable attributes: cognitive friction, operational friction and social friction.
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10/17/2026
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Unverified陶哲轩提出了'认知摩擦'（cognitive friction）的概念，指每一项任务都需要动用大脑的智力成本68% similarUnverifiedThe core challenge of contact-rich tasks lies in the physical discontinuities introduced by contact, where force direction, friction coefficients, and object deformation change drastically within milliseconds, forming hybrid systems that are difficult for traditional differential-equation-based control methods to handle.63% similar
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