The timey-wimey detector was a makeshift device used for detecting temporal anomalies by the Tenth Doctor. He used it when he was trapped in 1969 by the Weeping Angels to detect others who had been sent back in time. It looked like a late-20th century portable open-reel tape recorder with only one spool. It alerted the Doctor to an anomaly by dinging. The Doctor's vague explanation to Billy Shipton as to its function was that "it [went] 'ding' when [there was] stuff."

This "stuff" was loosely described by the Doctor as "wibbly-wobbly, timey-wimey stuff", hence the name of the device. The timey-wimey detector had one main side-effect: It would boil an egg from up to 30 paces away, any egg, even those still in hens, which would cause the unfortunate birds to explode. It was made up of items including a Blackpool postcard, prominently featuring Blackpool Tower. (TV: Blink) This device was later destroyed. (PROSE: Ghosts of India)

The Eleventh Doctor used one on an encounter with the Weeping Angels. (PROSE: Touched by an Angel)

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