Sign language is a versatile tool for the deaf and hard-of-hearing community. But the more specific and technical words and phrases become, the more complicated it can be for the language to keep pace. To fix this, students and educators are getting together and wikifying the process of creating brand new signs for science.
So now there's a bike horn louder than a concord jet. Which is good since bike riding in an urban environment can be a dicey task, and those little metal bells mom bought last Christmas aren't always great for warning motorists of your existence. A problem that will probably only worsen when robots live among us.