Uncategorized
- Materials Science
Water Repellency Goes Nano: Carpet of carbon nanotubes cleans itself
Forests of carbon nanotubes coated with Teflon yield a superhydrophobic material—the ultimate self-cleaning surface.
- Earth
Blame the Sea? Ocean may be melting ice shelf from below
Significant portions of a large Antarctic ice shelf just south of one that suddenly broke apart in February 2002 are rapidly thinning and may suffer a similar, catastrophic demise in less than a century.
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19356
A simpler explanation for ancient humans’ use of red ocher might be cosmetics, much as in modern mortuary practice. A dusting of red ocher would offset the blue pallor that results when blood flow ceases.
