Would it be possible to have a physical keyboard on a smartphone while keeping the touchscreen intact? The Future Interfaces Group (FIG) from Carnegie Mellon University (CMU) seems to think so as the researchers recently demonstrated such a keyboard can exist via inflatable buttons on an OLED screen.This type of technology is called Flat Panel Haptics and has been in the works at CMU for the past 15 years (opens in new tab). The new breakthrough is that FIG
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