Evolution of rms Olympic 1910-1935.

History Photographed on Instagram: "One of the RMS Titanic's whistles was sounded again in 1999 for the first time since the ship sank in 1912, after being recovered and restored. ⁠ ⁠ At an exhibition in St. Paul, Minnesota, survivor Millvina Dean pulled the cord using low-pressure compressed air, producing a deep, echoing tone during the emotional event.⁠ ⁠ Credit: @rmstitanicofficial"

Understanding Average Intelligence and Square Roots