unsolved

David Benqué's Infinite Adventure Machine creates random folk-tales, and is itself an adventure in what he describes as an unsolved computer science problem: automatic story generation.

Boing Boing Rob Beschizza 2011

Pendulum on the Dance Floor: The great mystery underlying the French scientist Leon Foucault's pendulum might remain unsolved since the giant brass instrument was irreparably damaged at the Musee des Arts et Metiers (Museum of Arts and Industry) in Paris.

News Junkies 2010

Wolf stresses that even with relative progress that many of Tránsito's concerns remain unsolved:

Global Voices in English » Ecuador: The Legacy of Indigenous Leader Mama Tránsito 2009

Or are you denying that any problems from the last century remain unsolved?

Matthew Yglesias » David Miliband Doesn’t Know What Century It Is 2010

The clues are colder than the corpse and the case looks like it'll remain unsolved -- until an eyewitness is discovered.

Book Trailer: Heavy Metal Pulp - Pleasure Model by Christopher Rowley 2010

The death toll continues to climb and many crimes remain unsolved, leaving the community with little recourse but to take matters into their own hands by forming grassroots non-profit groups to shed light on the issue of the border city femicides.

Global Voices in English » Mexico: Protests Against Nomination of Arturo Chávez for Attorney General 2009

Most likely the matter will always remain unsolved but the possibility of an extremely brief but highly intense pressure increase due to being the bullet being seated at the rifling can be found in various ballistic literature.

An Unequal Progress in Accuracy 2008

Before going under cutting torches, guns that work will be test fired so the bullets and cartridges can be compared to evidence in unsolved murder cases, they said.

Orlando Police Ask for Guns, Get Missile Launcher | Impact Lab 2007

Honestly, our process of plotting is one mystery that will probably remain unsolved forever.

Writer Unboxed » Blog Archive » INTERVIEW: P.J. Tracy, Part 1 2007

The detective would see to it that this case would not remain unsolved†¦ “It seems we†™ ve interrupted dinner for nothing. ”

365 tomorrows » 2007 » January : A New Free Flash Fiction SciFi Story Every Day 2007