Ever wish you could "turn off" that annoying cell phone chatter we hear everywhere around us these days? Well maybe you can: Japan has invented a "shut up" machine that painlessly forces people to be quiet. And it’s portable!

It works by recording its target’s speech, then firing their words back at them with a two second delay, which affects the brain’s cognitive processes and causes speakers to stutter, then silences them completely.

If people start carrying these jammers around in their pockets, cell phone yackers may start using less happy language, because the truth is that English contains mostly POSITIVE words.
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