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The "Mercury" - a streamliner passenger train which operated in the Midwest between 1936 and 1959. It was designed by the legendary industrial designer Henry Dreyfuss.
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Visualizing Unstable Flames
Inside a combustion chamber, temperature fluctuations can cause sound waves that also disrupt the flow, in turn. This is called a thermoacoustic instability. (Video and image credit: J. Delfin et al.; research credit: J. Delfin et al. 1, 2) Read the full article
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(via b88c806faa0152528a2d7453370a3cfc.jpg (736×1308))
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