Sentences with phrase «powerful constraint»

«It just looks like a flat line, but that's a very powerful constraint on the planet's atmosphere,» Bean says.

In addition to these structural elements, the presence of mafia represents a powerful constraint on policy development and efficiency.

Because diffusion becomes less efficient as the tubes get longer, the atmospheric concentration of oxygen is a powerful constraint on body size, especially for active insects that fly.

And powerful constraints that exist in the mind can be mobilized to introduce a particular concept (or whole system of thinking) in a way that children are most likely to learn it and least likely to distort it.

«These place a powerful constraint on allowable melt rates — the very thing we wanted to predict,» Ivins said.