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TIL that Darth Vader is called Svarthöfði (black head) in Icelandic and there's also a street in Reykjavik named after him

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9wLDX TIL The first deep water submarine rescue occurred in 1939. The submarine USS Sailfish sank off New Hampshire. 33 out of 59 of the crew had survived, trapped in a compartment that had not flooded. A newly developed device called the Mcann Rescue Chamber was used to rescue all the survivors.
A4pg TIL that the 19th century London campaign for sanitary reform and delivering clean water was opposed by critics as “a deduction from the charms of freedom.” The Times daily argued it was preferable to “take a chance with cholera than be bullied into health.”
0V7M TIL that the heated water in the barrel of the Vickers machine gun was sometimes used to make tea for British soldiers during World War I.
Vp5Q TIL Alabama law requires teachers to lie to students and teach being gay is illegal.
yVbDX TIL that humans produce 10^21 digital bits of information annually, and assuming an annual 20% growth rate, in 500 years, digital content will account for more than half Earth’s mass.