FREMONT, Calif., Feb. 13 (UPI) -- A U.S. tech firm says it's developed a touchscreen keyboard that rises from the smooth screen surface to allow text input and then disappears when not needed.
Tactus Technology, based in California, says its technology, based on microfluidics, created physical keys that "bubble" up from the screen for typing then flatten out, leaving the touchscreen completely smooth, CNET reported Wednesday.