Much of the cost was driven by the need to replace sensitive signal and communications equipment that was wrecked by salt corrosion from the flood.

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Moreover, custom-built apps for therapy and science education are cropping up, with the existing prototype utilizing a trio of force-sensitive resistors that measure pressure and convert it into a signal that instructs the tablet.

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Unless these systems are designed carefully, the transmitted signal can cause noise in the receiver, making it not nearly as sensitive.

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