16-Year-Old Invents Device That Turns Breath Into Words For Those Unable To Speak

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Summary
An indian boy who has only 16 years old, has invented a device who can help a lot of people like those who have ALS or the mute people. This device translates breath into speech using Morse code. Two exhales of a certain power and interval are all that is needed to spell out words.

A video of the boy:

Opinion
I think that this is very helpful to the people who can't talk or the people with ALS like Stephen Hawking. But this maybe costs a a bit and some people can't afford it.