November 28 in history — On This Day

1967

Jocelyn Bell Recognizes the First Pulsar Signal

On November 28, 1967, Jocelyn Bell recorded the regular radio pulses that became decisive evidence for the first recognized pulsar.

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The Story Behind the Photo

Chicago After the Fire: From Burned Blocks to a New Skyline

A photograph taken after the 1871 fire can make Chicago look as though its future had been decided by a wall of flame. A view from around 1905 tells a different story: tall offices, busy transport routes and commercial streets crowded again.

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