So, at least for now, investigators and the public are left with only enigma.
His page-turning 1997 account of the solution of a mathematical puzzle, Fermat's Enigma, was a bestseller.
The enigma may leave some readers (especially students wanting answers) feeling slightly cheated, and others intrigued.
ECONOMIST: French history: A drama, not a balance sheet | The
There is Dylan the prophet, the enigma, the innovator, the restless lover, the preacher and the outlaw.
Novelistic vivacity, the great unteachable, the unschooled enigma, has a way of making questions of form appear scholastic.
The real test is for Mr Aliev, who is as much of a Caucasian enigma as his country.
ECONOMIST: Azerbaijan's election: A Caspian contradiction | The
With the advent of the first electrical cipher, the German Enigma machine in 1918, cryptanalysis changed its fundamental character.
Below, on the battlefields of Europe, German intelligence officers made the same oath to another computer, the Enigma coding machine.
The book traces Mr Adams's progression from unflinching Republican to something else, though precisely what that is remains an enigma.
Big institutional investors may sell because their policies forbid them to own stock in a company that has become an enigma.
The enigma becomes less difficult to understand by taking the long view.
FORBES: China: The Mao Dynasty Moves Toward Democracy And Human Rights
And while there are new drugs and treatments constantly being tested, some with good rates of success, cancer is still largely an enigma.
The arc of this luminous talent, as I see it, reached its apogee toward the close of the millennium, and then partly withdrew into enigma and opacity.
应用推荐