3 ms·

Was this the device that Whistler used in the movie Sneakers? I guess that was more of a keyboard or monitor though...

• aidenn0 7y ago
  He used a braille terminal. https://en.wikipedia.org/wiki/Refreshable_braille_display https://en.wikipedia.org/wiki/Refreshable_braille_display
• mlang23 7y ago
  No, Whislter used a Braille display. Those utilize the reverse piezzo effect to implement "refreshable" braille.