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The technology that's given an artificial voice to renowned physicist Stephen Hawking could soon be helping others with disabilities.

The software -- called the Assistive Context-Aware Toolkit (ACAT) -- was developed over three years by Intel Labs for Hawking, who has suffered from amyotrophic lateral sclerosis (ALS) since he was 21 years old. Intel announced this week that it making the software available to the public for free.

In the video above, Intel's Lama Nachman discusses how she and her team spent three years developing the software that gives a voice to the voiceless.