"I think a major reason we have so few female engineers is the lack of concrete role models that is, the lack of individuals we can point to and say, 'Look, if you pursue technology, you could be her someday,' Israni tells me.
"It's not a concrete role," said Atencio of his part in the creative dynamic.
But this move and attending the Chicago conference could give Pakistan a more concrete role in the future of Afghanistan as Nato prepares to withdraw all combat troops from the country in 2014.
The center is the first sign of the concrete role Mr. Ridge envisions for the staff he is assembling to coordinate agencies and develop a comprehensive national strategy for security against terrorism.
The candidates want to steer the conversation to the abstract idea of excess government, because they cannot acknowledge that government continues to play a concrete role in the daily lives of most citizens.
As a tall, strong, intense, and physically beautiful dancer with an affinity for the unorthodox, Mason found her forte in abstract contemporary roles such as Lescaut's mistress in MacMillan's Manon rather than in the more concrete, hyperfeminine roles of many classical-ballet standards.
For his series "Dauphin Island," González designed dreamlike, futuristic forts made from iron and concrete, fusing the role of artist with that of architect, engineer and urban planner.
Charles Tilly challenges a common assumption that causal reasoning depends on identifying background causal regularities; he argues instead for an approach to causal reasoning that emphasizes the role of concrete causal mechanisms (McAdam, Tarrow, and Tilly 2001).
Fecal microbiota transplantation (FMT), a concrete evidence proving the role of microbiota in many diseases, has recently become a research focus in biomedicine and clinical medicine (Khoruts and Sadowsky 2016; Lynch and Pedersen 2016; Vindigni and Surawicz 2017).
The role of concrete seemed to be central to this cycle and I started thinking, "Why not leave the walls broken?" rather than constantly rebuilding these divisive barriers.
