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Comment by PragmaticPulp | Hacker News Reader

I have similar feelings about the technology. As much as I'd love to see someone apply ultrasonic haptics to an interesting use case, I don't know if useful haptic feedback can occur within the limits of safe ultrasonic SPLs.

Even with relatively large arrays, the prototypes I've seen are so subtle that you almost have to be expecting the sensation to get anything out of it. It's not on the same level as the haptic feedback of an Apple trackpad.

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I've been super excited for this space for a long time. Novel interaction ideas in the digital age seems to have a hard time breaking through (mouse and keyboard has was really a killer application).

I'm wondering if a matrix of wire which could just run some very small currents through gloves onto specific sections and points on the hands could work ? (please be gentle, I haven't really researched this just a fun thought :) )

If gloves are an option then there are lots of mechanisms that can deliver tactile sensations of various types.

Mouse and keyboard killed it because they are physical objects. A touch screen or even something like this will always be a poor interface because they aren’t physically manipulable. Honestly I think we’re more likely to see a major advance from the Teledildonics people since they are actually working with real hardware and incorporating feedback mechanisms.

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