Oct 7, 2015 3:44 PM

Gallery: The Story Behind the Surface Book's Crazy New Hinge

Andrew White for WIRED
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When Microsoft unveiled the Surface Book, it also unveiled the dynamic fulcrum hinge.
Andrew White for WIRED
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It's a unique and arresting design created by the design team to make the Book flip easily from laptop mode to tablet mode.

Andrew White for WIRED
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The Surface Book's keyboard detaches.
Andrew White for WIRED
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The muscle wire lock allows the display to seamlessly lock onto the keyboard base. A button activates that component, which is made of a nitinol, a metal that contracts when it comes into contact with an electrical charge.

Andrew White for WIRED
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The hinge allows the footprint of the base to extend by up to 20-millimeters on an as-needed basis.
Andrew White for WIRED
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It has a stronger center of gravity for it, which meant the design team could shave off hundreds of grams in weight.

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