1837The first computer programmer’s machine was never finished.

Wacky WorldInventions

Charles Babbage designed the Analytical Engine in 1837 but it was never completed in his lifetime.

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<span class="aj-year">1971</span>The first email was sent in 1971 — and its sender doesn’t remember what it said.<span class="aj-year">1793</span>The cotton gin changed cotton processing forever.<span class="aj-year">1975</span>The first digital camera weighed about 4 kg.