This piece of new talk about body piercing have been used to control wheelchairs. Scientists believe could transform the way people interact with the world after paralysis.The movement of a tiny magnet in a tongue piercing is detected by sensors and converted into commands, which can control a range of devices.A large section of the brain is dedicated to controlling the tongue because of its role in speech.
I think that is a good idea for help people with paralysis.
http://www.bbc.co.uk/news/health-25118896
I agree with this new because sometimes when you get a piercing you can infect and you have more problems.
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