After etching, all the circular openings take the shape of hexagonal groove as explained in the "Background" section.
The patterns are etched in an anisotropic etchant and the circular opening takes the shape of square V-groove with {111} sidewalls as explained in the "Background" section.
"Cuba is a country with many complicated social and political problems, so this process won't be easy," O'Brien explained in the opening segment as he wandered through the streets of Havana, "which is why I kept the purpose of my visit simple: to meet the people and try to make friends".
Note: These questions focus on the basic details explained in the opening of a complex and lengthy news article.
Hopefully this will all be explained in the opening crawl in December, when the movie is released. .
Poroshenko must now tackle a desperately divided country, a weakened currency, a deep recession, and austerity cuts agreed in return for an bailout from the IMF.... 11.04am BST Back in the financial markets, European investors remain calm about the swing away from mainstream parties in last weekend's election (as explained in our opening post).
As explained in an opening subtitle, "Burma VJ" contains certain embellishments, a connective tissue of sorts that sets up and links together the V.J.-shot sequences of monks, marches, police beatings and one point-blank murder of a Japanese journalist.
As she explains in the opening lines of "Kings of Kallstadt," her documentary film, "Here the sun always shines, and the wine never runs out.
Fukuyama was aghast partly for the obvious reason, but partly for another reason, too, which, as he explains in the opening pages of his new book, "America at the Crossroads," was entirely personal.
As Philip Ball explains in the opening lines of his new book, this is because in traditional magic tales, all that was needed to make something invisible was special knowledge or powerful friends.
