This solution has been deployed successfully at a few locations, including at the American Museum of Natural History.

FORBES: Smartphone Location Tools Are Great ... Until You Get to the Front Door

They are not currently solved, but it is unclear if this is because no solution has yet been found or because none exists.

ECONOMIST: Computer science

The issue of energy storage has been a big problem that, so far, has eluded solution, I commented in this column.

FORBES: GE Partners With Tiny Arista Power To Dominate Huge Energy-Storage Market

For the Left, this option has been the fantasy of a two-state solution.

CENTERFORSECURITYPOLICY: Israel's Only Two Options

"We are working very, very close with our Iraqi counterparts to find a solution to this issue, which, as you point out, has been one that's come out in the past, " Nantongo said.

NPR: Maliki Calls Blackwater's Actions a Crime

Sources close to the first minister are hailing the decision as a triumph, pointing out that the solution which has now been adopted was proposed in May this year by Alex Salmond in meetings with Chancellor George Osborne and Energy Secretary Chris Huhne in London.

BBC: Reaching a compromise over fuel levy cash

Indeed, the problem of contamination on the Ecuadorian side of the border, resulting from this fumigation has been an ongoing one which will require some sort of solution.

CENTERFORSECURITYPOLICY: A blow to anti-drug policy

The fiscal compact falls short of a commitment to issue eurozone eurobonds, something Germany has been against since they were discussed as a possible solution this summer.

FORBES: "Over To You, Mr. Draghi"

These bollards are something that we don't think has been tried before for this purpose, but they seem to offer a sensible solution.

BBC: Gateshead trials bus lane bollards

With this combination, 4% power-conversion efficiency for solution-processed and visibly transparent polymer solar cells has been achieved.

ENGADGET: UCLA creates transparent solar cell, dreams of current generating windows