Irving Langmuir patented his Incandescent Electric Lamp
On the 18th April, 1916, Irving Langmuir received a patent for his Incandescent Electric Lamp.
The first computer “bug” was found in the Harvard Mark I by Grace Murray Hopper when a moth caused one of the relays to fail.
On the 18th April, 1916, Irving Langmuir received a patent for his Incandescent Electric Lamp.


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