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You have probably already heard of Apple's new MacBook Pro, with updated processors, a new T2 chip, and a quieter keyboard. While the impact of the new keyboard is debatable, a quick dissection of the unit revealed that there was a new membrane surrounding its problematic butterfly mechanism. This, in turn, led many to speculate that the membrane was really there as a form of protection and not as a sound absorber.
This would have been confirmed today by a newly discovered internal Apple document. But the real question is, how does the new membrane protect against dust and debris? IFixit people took it upon themselves to test how well the new membrane layer works, by pumping particles into the keyboard and seeing the results.
As you can see in the picture, the fine particles remain, for the most part, on the outer edges of the membrane. This protects the butterfly mechanism that is located on the inner part. The team also performed the test on an older MacBook Pro without membrane and noticed that the butterfly mechanism was immediately compromised. After tapping on the new MacBook Pro, the particles managed to get into the mechanism but did not cause any problems. The new notebook is still not immune because introducing sand into the mix has caused the process to fail.
All of this is very interesting, since Apple is currently facing several lawsuits concerning the defective keyboard. If you have a new generation of MacBook Pro and have problems with your keyboard, make sure you have it repaired. Unfortunately, the company will not replace your keyboard with the improved model.
Source: iFixit via The Verge
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