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TIL Scientists created an antenna that is only five nanometres long

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x6MxB TIL traditional Cherokee clothing includes turbans
mxvwO TIL about Union Pacific's restoration of UP 4014 "Big Boy". When completed in 2019, it will be the largest, heaviest, and most powerful operating steam locomotive in the world.
Z8l8Q TIL that the early Earth may have had two moons. The second formed from the leftover debris from the Giant Impact and stayed in orbit for tens of millions of years before crashing into the far side of the moon. This explains why the two sides of the moon are vastly different from each other.
oRPWK TIL even though Elijah Muhammad's many infidelities with his personal secretaries were used as a reason for Malcolm X's break from the Nation of Islam, Malcolm started his own affair with a secretary from his OAAU organization that lasted until his assassination.
epxED TIL In the 1930s, sequins were made of gelatin coated in lead paint, and could melt if they were touched or dissolved if wet.