Bird's interrupter had the medically disadvantageous feature that current was supplied in opposite directions during the make and break operations.
The espionage usage began in World War II, perhaps in relation to the Enigma code-breaking operation.
A chemistry graduate student at Cambridge in 1941, young Mr. Tutte was sent to the now-fabled Bletchley Park, where a secret code-breaking operation had been set up.
It was a ground-breaking operation that anticipated several irritating restaurant trends: multi-national cuisine, communal ordering, sharing dishes and food that arrives on the table as soon as it's ready, whether you're ready or not.
American officials reported that in the cable to Tehran, the Iranian official recounted how Mr. Chalabi had said that one of "them" -- a reference to an American -- had revealed the code-breaking operation, the officials said.
That encrypted cable, intercepted and read by the United States, tipped off American officials to the fact that Mr. Chalabi had betrayed the code-breaking operation, the American officials said.
As chief of the National Security Agency, the eavesdropping and code-breaking operation that is the largest American spying enterprise, Lt. Gen. Michael V. Hayden has made himself the indispensable man.
Sophie Raworth met Ruth Bourne and Betty Webb, who trained and worked at Bletchley Park, the nerve centre of the code-breaking operation.
Reference [91] presented a new SSCB with the ability of quickly isolating a fault with no delay in the breaking operation.
"With this ground-breaking operation we have punched a big hole in the capability of ISIS to spread propaganda online and radicalize young people in Europe," Rob Wainwright said in a statement.
