The universal translator, which enabled the Enterprise crew to instantly understand aliens

• Real tech
  We do have electronic gadgets that laborously translate spoken words from foreign languages to English, but they only work on pre-set languages, and the process is nowhere as smooth and effortless as it was on the TV series.
• "Star Trek"
  We do have electronic gadgets that laborously translate spoken words from foreign languages to English, but they only work on pre-set languages, and the process is nowhere as smooth and effortless as it was on the TV series.