May 6 is an interesting date in history, lots of stuff happened:
--It was the last day of the second world war (the documents ending the war were signed on May 7)
--The Hindenberg exploded in 1937
--Roger Bannister ran a mile under 4 minutes
--The Eiffel Tower was first opened to the public. Gustave Eiffel's company designed and built the tower. Eiffel was also involved in building the Statue of Liberty. He built many bridges all over the world, and was involved in an early attempt to build the Panama Canal. That effort failed, and after that, he "quit engineering" and devoted himself to aerodynamics. Now comes the cool part: he built a wind tunnel in 1909 and made a big discovery: that lift (produced by an airfoil/airplane wing) was not caused by an increase of pressure under the wing but instead was due to a reduction of pressure above the wing. For this, he was awarded the James Langley medal by the Smithsonian in 1913.
--It was the last day of the second world war (the documents ending the war were signed on May 7)
--The Hindenberg exploded in 1937
--Roger Bannister ran a mile under 4 minutes
--The Eiffel Tower was first opened to the public. Gustave Eiffel's company designed and built the tower. Eiffel was also involved in building the Statue of Liberty. He built many bridges all over the world, and was involved in an early attempt to build the Panama Canal. That effort failed, and after that, he "quit engineering" and devoted himself to aerodynamics. Now comes the cool part: he built a wind tunnel in 1909 and made a big discovery: that lift (produced by an airfoil/airplane wing) was not caused by an increase of pressure under the wing but instead was due to a reduction of pressure above the wing. For this, he was awarded the James Langley medal by the Smithsonian in 1913.
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