Ziggy 1's Comments
Two things: 1: old news. 2: grammar - "...applied Fourier transform" should read "... applied a Fourier transform ..." (or alternatively "... applied Fourier analysis ...").
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Not only is there no price comparison, it does not mention how much extra effort was / is necessary to prepare this new concrete. Moreover, I don't think anyone cares.
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Put it next to your treadmill and see who drops first!