Using the names of materials as adjectives can be pejorative: "He gave a wooden performance," "These people are so plastic." But when your boss says s/he wants "concrete results," it implies rigor and success.
Concrete can be an unforgiving material that requires careful design, but the reward is an object that will endure. For those of you up to the task, Quikrete is sponsoring a One Bag design competition where they want to see what you can create using just a single bag of their product (of any mix).
First prize is $2,500, with $1,500 and $500 serving as second and third prizes. The deadline is July 9th, so you've got a little under two weeks to get cracking. Er, to get going.
Rules and regulations, as well as photos of last year's winning objects for reference, are here.