Google’s unofficial motto has long been the simple phrase “don’t be evil.” But that’s over, according to the code of conduct that Google distributes to its employees. The phrase was removed sometime in late April or early May, archives hosted by the Wayback Machine show.
Source: gizmodo.com
A carbon nanotube is tough—by some measures, more than 30 times more robust than Kevlar. As they’re only a few atoms thick, however, that toughness isn’t especially useful. Attempts have been made to bundle them together, but nothing has worked out especially well; the individual nanotubes are typically short, and it’s difficult to get them to all line up in the same direction.
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If you have been wearing glasses for years, like me, it can be surprising to discover that you perceive the world thanks to a few giant companies that you have never heard of. Worrying about the fraying edge of motorway lights at night, or words that slide on the page, and occasionally spending a fortune at the opticians is, for many of us, enough to think about. And spectacles are unusual things.
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