While the scale-up from the laboratory to the real-world is technically challenging, the core challenge is the scale-up of industry participation and acceptance of geopolymer cement.
Harris: The core challenge is designing a game that is fun and balanced, and also has a high skill curve, because you need a game where an expert player is visibly different from a novice or mid-level player.
The core challenge isn't a lack of raw talent.
The core challenge is to detect the tenuous but 'heavy' momentum (k -space components of the many-body electronic state simultaneously with its real-space constituents.
As with any superhero movie, Mr. Reynolds said, the core challenge is taking the story line seriously while signaling the audience that the film gets the joke.
One core challenge is monitoring and quantifying the connection between changing weather patterns and adverse health effects, as ailments are diffuse and arise only at the end of a very complex causal chain.
The core challenge is that most big data in focus are not the output of instruments that were designed to produce valid and reliable data amenable for rigorous knowledge discovery.
In the animal health sphere, the core challenge is to reduce the excessive misuse and abuse of antimicrobials locally and globally, and to preserve antimicrobials as essential medicines for treating sick animals only.
