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3 posts tagged with signaling. (View popular tags)
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"I don't care if it's a white cat or a black cat. It's a good cat so long as it catches mice."

Two Chinese bullet trains have collided with two coaches falling off a bridge after a lightning strike disabled the first train and signaling failed to alert the second in time. A few months previously the railways ministry expressed and subsequently retracted concerns that builders had ignored safety standards to complete construction more quickly. [more inside]
posted by jeffburdges on Jul 23, 2011 - 42 comments

"face-tattooed, duel-scarred, razor-brandishing inmates"

Codes of the Underworld: How Criminals Communicate
Reason.com review focusing on "Tattoos, dueling scars, and other rational acquisitions"
Insider Higher Ed on "Criminal Incompetence"
Marginal Revolution on rates of violence between men and women in prison
Interviews with the author: Written ... Audio
posted by andoatnp on Dec 18, 2009 - 23 comments

Alfa Papa

"Delta: I am maneuvering with difficulty; keep clear." U.S. Navy & international signal flags (bigger and prettier). The semaphore alphabet. Some illustrative signals. A history of signaling at sea. The comprehensive Space and Electronic Warfare Lexicon.
posted by OmieWise on Jul 14, 2005 - 12 comments

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