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As much as I am a fan of the clean look of concrete floors (and poured concrete surfaces of all types), I admit that it can look pretty cold and stark at times.

milled concrete floors

But design studio Transparent House warmed the look up by milling soft vines and flowers into the concrete and the result is so much more congenial. The options for what can be carved into the concrete are nearly limitless. Add to that the variety of finishes that can used on concrete and you’ve just opened up a whole new world of options for these practical floors.

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  1. What the two of them had found and initially had taken for oxidized minerals were soil full of volcanic glass beads. A sample of those beads turned out to be one of the most significant discoveries of the Apollo program me only 39 years later. The analyses of the 1970ies and 1980ies confirmed that the glass beads were as free from iron and hydrated minerals as lunar basalt rocks that make up the bulk of the Apollo samples. It took an analysis technique developed in the second half of the 1990ies time of flight mass spectrometry (TOFSIMS) to make an astonishing discovery: A team around Erik H. Hauri of the Carnegie Institution of Washington found that the glass beads contained pre eruptive olivine crystals. Those pre eruptive crystals form in the magma reservoir of a volcano and encapsulate the magma so that even after the eruption the pristine magma is preserved and no further weathering for example out gassing of volatile compounds in the near vacuum of the surface occurs. The ancient magma preserved in those crystals was analysed by Hauri et al. They found an amazing result: it was as wet as terrestrial mantle material! While this find does not change the fact that lunar surface rocks (mainly basalts and plaioglase feldspar) are bone dry, but this dryness can now be interpreted as a result of the continuous out gassing of volatile elements. An alternative perhaps even more intriguing interpretation is that the orange soil is a sample from a particular magma that is derived not from the average lunar mantel, which could still be dry, but from a part of the mantle that was not totally dehydrated by the giant impact. In fact, this part of the mantle could be a pristine fragment of the mantle of Theia, which was not broken up but survived the impact. Ultimatively those are all interesting speculations, but in order to obtain a scientific answer, more sampling is needed! Apollo 17 has demonstrated that the best way to obtain paradigm changing samples is by putting the scientists in direct contact with the object of investigation in this case the lunar surface.

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Lili ZarghamiLili is Editorial Director of HGTV.com. Her personal obsessions include looking for just the right sofa, ogling real estate listings, and reading floor-plans. She has an admitted "chair problem," collecting...


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