On this day in science history: 23 November

From the days of ancient technology to modern science - find out what happened on this day in the history of science.

23rd November 2017
1963 - The first Doctor Who episode is aired © Chris Ware/Keystone Features/Getty Images

© Chris Ware/Keystone Features/Getty Images

1963 - The first Doctor Who episode is aired

‘An Unearthly Child’ is aired on the BBC, the first episode the popular Sci-Fi series Doctor Who. This episode introduced William Hartnell, the first doctor, who had arrived from his original home planet Gallifrey, in the TARDIS, the doctor’s time machine, which appears bigger on the outside than it does on the inside. Doctor Who is now the longest-running science fiction show in the world, with 826 episodes and 12 different doctors. The most popular episode was aired in 1979, called City of Death, with 16 million viewers tuning in.

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