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TOM SCOTT: We got invited in here to build something
that would work with the audience here in the studio,
and the audience out there on the World Service.
So what we've invited -- it's a ping pong ball launcher,
and every time someone on Twitter uses the hashtag #bbcclick,
it will release a ping pong ball from the big tube at the top.
At the end of the show, Tom here has put together
with some motors, some LEGO, and a cardboard tube,
a device that will send all those accumulated ping pong balls into the audience.
(LAUGHTER)
GARETH MITCHELL, PRESENTER: So literally, that is a tweet coming in?
So people are tweeting on the hashtag, and obviously,
it's a red rag to a bull, you tell people on Twitter to do this,
and the ping pong balls go absolutely crazy.
TOM SCOTT: Three...
AUDIENCE: Two! One!
(LAUGHTER)
GARETH MITCHELL: It's amazing!
(APPLAUSE)
GARETH MITCHELL: A torrent of ping-pong balls being flung out to the audience.
Members of the front row are literally ducking.
I hope there aren't members of senior BBC management sitting at the front but there may well be.
So I think it's fair to say, gentlemen over here from the London Hackspace, that has kind of worked?...