The sound is unforgettable, according to people who have experienced an Ariane 5 lifting off. But this week’s question should be really easy for experts like you! #TopicTuesday #ArianeFacts #Ariane5pic.twitter.com/oaAfqBLth7
Oh don't worry, we have a good one coming in January. But in the meantime, can you guess exactly what are the other two ones? #challenge 
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One is a hair drier. Will have a listen again when I get bk home. Keep up the amazing work. Happy Xmas to you all.
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You're the first one to guess this one.
End of conversation
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