The Last Word On Nothing

"Science says the first word on everything, and the last word on nothing" – Victor Hugo

The Woman Who Discovered the Key to Measuring the Universe

By the late 1800s, astronomy had moved on from simple human observation to the collection of images of the sky on photographic plates — pieces of glass coated with light-sensitive silver salts. At the time they were made, these plates could be analyzed only through tedious, labor-intensive work. A person had to scan and measure and compare [...]

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