That play, "The Invention of Love," was "far denser, far more cerebral," Mr. O'Brien said.
A powerful pattern began to emerge, for certain fuels are far denser in energy than others.
If it contains only 100 kg of explosive, the casing must be far denser than steel.
Instead, I.B.M. designers chose to balance computing speed and energy consumption to create a far denser data processing system than had previously been possible.
He notes that many species of algae pack a far denser punch energy-wise than the plants now used as energy crops.
Mercury is far denser, however, having a metallic core that takes up about 61 percent of its volume (compared with 4 percent for the Moon and 16 percent for Earth).
For instance, closer to the center of the galaxy where star populations are far denser, the frequent passage of one star past another could trigger cascades of comets, trillions of which are thought to orbit most stars' icy fringes.
Head 15 miles or so inland to the Paradise campground, in the Los Padres National Forest, and hiking trails wend along steep, rocky ridges where the earth is a ruddy hue and the trees are far denser than in the valley.
At the same time, unlike many suburban communities, New York City has a large reserve of unused building rights, since, under a 1961 zoning resolution, many neighborhoods outside Manhattan are zoned for far denser development than the single-family homes already there.
And it is far denser, with a smaller volume, raising the threat of ruined mechanical assemblies and perhaps changes in the critical mass needed to start a nuclear chain reaction.
