"Star Trek" featured a device known as "the communicator". This device was an early imagining of the modern cell phone used today. "The replicator" used in "Star Trek" is comparable to a contemporary 3D-printer.
"Star Trek" Predicted Cell Phones
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Key Facts In This Video
"The communicator" in "Star Trek" was an early imagining of the modern cell phone. 00:52
There are devices capable of translating foreign languages in real-time video calls, similar to those found in "Star Trek." 01:42
NASA created a handheld device that can measure microorganisms in objects in space. 02:23