Although the LG Optimus 3D is undoubtedly a cool concept, we think that users are going to have a pretty hard time finding 3D content which is not user generated.

FORBES: Written by Si Shen

The movie starts with a cute-yet-cool concept.

CNN: 'Toy Story:' A high-tech treat

It reminds me of a well-rehearsed magic act that involves transforming the concept of cool into a bankable currency, time and again.

FORBES: Selling The New Cool: Inside The World Of 'Influencers'

The students came up with an innovative product concept: COOL PADS for the shoulders, helmet, armpits, and groin that feature temperature sensors and a cooling system to help players maintain safe body temperatures on the field.

WHITEHOUSE: The White House

It might be a subjective concept -- one man's cool Hawaiian party shirt is another's discarded Christmas gift -- but certain brands do seem to stay in fashion forever.

CNN: Six secrets behind cool brands

Cool stuff, but now serious money is pouring into the concept.

FORBES: Sharing Power

Injecting sulphate particles into the stratosphere, for instance, would cool the Earth by reflecting more sunlight into space. (Nature has already shown that this concept can work, since volcanic eruptions that send sulphur-rich plumes into the stratosphere can temporarily alter the world's climate.) However, Dr Lenton notes that the method becomes less effective as the atmosphere becomes more saturated with particles.

ECONOMIST: Geo-engineering