More than the roar of the MGM lion, more than the 20th Century Fox fanfare, the iconic sound of moviemaking is the sharp clap of a slate — although film folks have a language of their own to describe ...

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Remember The Clapper? It was a home automation tool (of sorts) that let you turn appliances on and off by clapping. [Kevin O’Connor] has built something rather similar, if more terrifying. It’s called ...