Building Materials

In The Fountainhead Henry Cameron's dying words to Howard Roark included the following advice:

"Watch the light metals industry, Howard.... In a few... years... you'll see them do some astounding things.... Watch the plastics, there's a whole new era... coming from that.... You'll find new tools, new means, new forms.... You'll have to show... the damn fools... what wealth the human brain has made for them... what possibilities....

Now according to The Economist, even simple old concrete has gone high-tech, offering radical new possibilities for 21st century architects bright enough to able to take advantage of them.