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The logs are shipped to a mill in San Leandro, California.

The slats are waxed and kiln dried again.

The cedar logs are cut into small, pencil-length slats less than one-fourth of an inch in thickness. These are kiln dried and then tinted for the same reason women put rouge on their faces.

Don't overlook the ancestors present and distant who have a hand in transporting sixty carloads of slats across the nation.

Once in the pencil factory—$4,000,000 in machinery and building, all capital accumulated by thrifty and saving parents of mine—each slat is given eight grooves by a complex machine, after which another machine lays leads in every other slat, applies glue, and places another slat atop—a lead sandwich, so to speak. Seven brothers and I are mechanically carved from this "wood-clinched" sandwich.

The graphite is mined in Ceylon.

The graphite is mixed with clay from Mississippi in which ammonium hydroxide is used in the refining process. Then wetting agents are added such as sulfonated tallow—animal fats chemically reacted with sulfuric acid. After passing through numerous machines, the mixture finally appears as endless extrusions—as from a sausage grinder-cut to size, dried, and baked for several hours at 1,850 degrees Fahrenheit. To increase their strength and smoothness the leads are then treated with a hot mixture which includes candelilla wax from Mexico, paraffin wax, and hydrogenated natural fats.

My cedar receives six coats of lacquer. Do you know all the ingredients of lacquer? Who would think that the growers of castor beans and the refiners of castor oil are a part of it? They are.

Observe the labeling. That's a film formed by applying heat to carbon black mixed with resins. How do you make resins and what, pray, is carbon black?

My bit of metal—the ferrule—is brass. Think of all the persons who mine zinc and copper and those who have the skills to make shiny sheet brass from these products of nature. Those black rings on my ferrule are black nickel. What is black nickel and how is it applied? The complete story of why the center of my ferrule has no black nickel on it would take pages to explain. RP.18

An ingredient called "factice" is what does the erasing. It is a rubber-like product made by reacting rape-seed oil from the Dutch East Indies with sulfur chloride. Rubber, contrary to the common notion, is only for binding purposes. Then, too, there are numerous vulcanizing and accelerating agents. The pumice comes from Italy; and the pigment which gives "the plug" its color is cadmium sulfide

Actually, millions of human beings have had a hand in my creation, no one of whom even knows more than a very few of the others.

There isn't a single person in all these millions, including the president of the pencil company, who contributes more than a tiny, infinitesimal bit of know-how.

Here is an astounding fact: Neither the worker in the oil field nor the chemist nor the digger of graphite or clay nor any who mans or makes the ships or trains or trucks nor the one who runs the machine that does the knurling on my bit of metal nor the president of the company performs his singular task because he wants me.

There is a fact still more astounding: the absence of a master mind, of anyone dictating or forcibly directing these countless actions which bring me into being. No trace of such a person can be found.

For, if one is aware that these know-hows will naturally, yes, automatically, arrange themselves into creative and productive patterns in response to human necessity and demand—that is, in the absence of governmental or any other coercive masterminding—then one will possess an absolutely essential ingredient for freedom: a faith in free people. Freedom is impossible without this faith.

Urinary infections were chosen because they are so common. American women get more than eight million of them a year. In rare cases the infections enter the bloodstream and are fatal.

A new strain of the antibiotic-resistant bug MRSA, for example, was first detected in people in Holland in 2003, and now represents 40 percent of the MRSA infections in humans in that country, according to Jan Kluytmans, a Dutch researcher. That same strain was common in pigs on farms before it was found in people, scientists say.

He thinks the Food and Drug Administration’s efforts to limit antibiotic use on farms have been weak. In 1977, the F.D.A. said it would begin to ban some agricultural uses of antibiotics. But the House and Senate appropriations committees — dominated by agricultural interests — passed resolutions against the ban, and the agency retreated. More recently, the agency has limited the use of two important classes of antibiotics in animals. But advocates say it needs to go further and ban use of all antibiotics for growth promotion. Sweden and Denmark have already done so.

Ms. Slaughter said aggressive lobbying by agribusiness interests has played a major role in blocking passage of legislation.

But the economics of food presents perhaps the biggest obstacle. On large industrial farms, animals are raised in close contact with one another and with big concentrations of bacteria-laden feces and urine. Antibiotics keep infections at bay but also create drug resistance.

Worse still, the aging natural-gas infrastructure is riddled with holes and seeps; early this year, a survey of gas mains along Boston’s 785 miles of road, the first-ever such examination, found 3,356 leaks.

To ask utilities to take in large amounts of solar power

One recent estimate put the EROEI of Spain’s extensive solar-power network at less than 3.

When renewables supply 20 to 30 percent of all electricity, many utility-energy engineers predict, the system will no longer be able to balance supply and demand. Brownouts will ripple across the landscape

As an example, typical solar cells today have an EROEI of about 10—better than tar sands but worse than most oil and gas.

is like asking a shipping firm to replace its huge, professionally staffed container ships with squadrons of canoes paddled by random adolescents.

But even if such techniques work in the way researchers hope, the infrastructure transformation ahead is daunting in scale and scope. It’s like setting up a second Industrial Revolution, only all over the world and in one-third the time.

If one of five competing labs is alone in finding an effect, that result is the one likely to be published.

The effect is amplified by competition for a shrinking pool of grant money and also by the design of so many experiments — with small sample sizes (cells in a lab dish or people in an epidemiological pool) and weak standards for what passes as statistically significant.

Among them is a paper in which C. Glenn Begley, who is chief scientific officer at TetraLogic Pharmaceuticals, described an experience he had while at Amgen, another drug company. He and his colleagues could not replicate 47 of 53 landmark papers about cancer. Some of the results could not be reproduced even with the help of the original scientists working in their own labs.

Scientists talk about “tacit knowledge,” the years of mastery it can take to perform a technique. The image they convey is of an experiment as unique as a Rembrandt.

The problem stands to get worse. It has been estimated that the corpus of scientific knowledge has doubled in size every 10 to 15 years since the days of Isaac Newton.

Today renewable energy supplies only about 6 percent of American demand. And most of that comes from water flowing through dams. Solar energy contributes next to nothing.

The arithmetic is merciless. To make it likely that the world’s temperature will rise no more than 2 degrees Celsius above the average of the preindustrial era — a target agreed to by the world’s governments in 2010 — humanity must spew no more than 900 billion more tons of carbon dioxide into the air from now through 2050 and only 75 billion tons after that, according to an authoritative new study in Britain.

The United States Energy Information Administration forecasts that global energy consumption will grow 56 percent between now and 2040.

The only way around this is to put something in coal’s place, at a reasonably competitive price. Neither the warm glow of the sun nor the restless power of the wind is going to do the trick, at least not soon enough to make a difference in the battle to prevent climate change.

Such a business “typically possesses some combination of a number of key attributes, among them the capability to raise finance for large new projects and the resources necessary to fund a high level of research and development spending to sustain technological leadership, to develop a global brand, to invest in state-of-the-art information technology and to attract the best human resources”.

Moreover, “one hundred giant firms, all from the high-income countries, account for over three-fifths of the total R&D expenditure among the world’s top 1,400 companies. They are the foundation of the world’s technical progress in the era of capitalist globalisation”.

This creates growing tension, as governments find “their” companies ever harder to tax or regulate.

chief executive of Severstal North America, the United States subsidiary of Russia’s Severstal Group, which now owns the Rouge steel operations.

At Severstal’s Dearborn factory, for example, carmakers including Ford and others account for 70 percent of sales,

The shift to aluminum is gaining momentum. Automakers are under increasing pressure to meet strict new fuel-economy standards by 2025

United States Steel has invested $400 million in a joint venture with Kobe Steel of Japan to make advanced high-strength steel in a Leipsic, Ohio, factory expected to produce 500,000 tons annually.

Inside Severstal’s steel mill on a cold January day, hissing heavy machinery removed oxides from steel sheets, reducing their thickness to the equivalent of five human hairs.

For nearly a century, Ford’s River Rouge factory and its neighboring steel mill have worked in close harmony

new federal fuel-efficiency standards that will require a fleetwide average of 54.5 miles per gallon by 2025, a significant boost from the roughly 25 m.p.g. that vehicles average today.

“Sometimes there is a push from the aluminum side, and they win over with a particular model, and steel tends to be the comeback kid, with more innovation,” said Felix Schuler, a Munich-based partner in the Boston Consulting Group’s metals and mining practice.

What seems certain is that ordinary steel is likelier to lose out to its new and improved cousin than to aluminum, Mr. Schuler said.

Novelis is investing nearly $550 million to upgrade plants in Oswego, N.Y., and Nachterstedt, Germany, and to build a new factory in Changzhou, China, to triple its capacity from a year ago to 900,000 tons annually.

Alcoa, the country’s biggest aluminum producer, is investing about $670 million in its Iowa, Tennessee and Saudi Arabia facilities.Continue reading the main story

“Henry Ford was a control freak, and he wanted to control as much of the manufacturing as possible,” Mr. Casey said. “He made the steel, he made the glass, he made the tires.”

Between 2000 and 2011, on average, 17 manufacturers closed up shop every day across the country, according to research from the Information Technology and Innovation Foundation.

yes, it means jobs, but on nowhere near the scale there was before, because machines have replaced humans at almost every point in the production process. Take Parkdale: The mill here produces 2.5 million pounds of yarn a week with about 140 workers. In 1980, that production level would have required more than 2,000 people.

But he was frustrated with the quality, and the lengthy process.

“We just avoid so many big and small stumbles that invariably happen when you try to do things from far away,” he said. “We would never be where we are today if we were overseas. Nowhere close.”

Time was foremost among them. The Indian mill needed too much time — three to five months — to perfect its designs, send samples, schedule production, ship the fabric to the United States and get it through customs. Mr. Winthrop was hesitant to predict demand that far in advance.

There were also communication issues.

like moving half-finished yarn between machines on forklifts.

The North American Free Trade Agreement in 1994 was the first blow, erasing import duties on much of the apparel produced in Mexico.

“Humans are by nature creative beings, but not by nature logical, structured-thinking beings. Those are skills you have to learn. One of the things that makes people more effective is if you can do both. ... If you’re great on both attributes, you’ll have a lot more options

“Ten years ago behavioral economics was rarely referenced. But [then] you apply social science to economics and suddenly there’s this whole new field. I think a lot about how the most interesting things are happening at the intersection of two fields. To pursue that, you need expertise in both fields.

“What you want to do is say: ‘Here’s the attribute I’m going to demonstrate; here’s the story demonstrating it; here’s how that story demonstrated that attribute.’ ” And here is how it can create value.

The country accounts for over a quarter of global greenhouse gas emissions.

Even assuming that China’s population does not grow at all over the next 30 years, that the energy efficiency of its economy increases at a faster pace than most developed and developing countries and that it manages to decarbonize its energy sources faster than pretty much anybody else, China would still be emitting a lot more carbon in 2040 than it does today, according to E.I.A. calculations.

Can the United States or anybody else do anything to speed China down a low-carbon path?

The latest report from the United Nations Intergovernmental Panel on Climate Change, issued in April, suggested several ways to allot responsibilities. If one starts counting in the 18th century and counts only emissions from industry and energy generation, the United States is responsible for more than a quarter of all greenhouse gases that humanity has put into the air. China, by contrast, is responsible for 10 percent.But if one starts counting in 1990, when the world first became aware that CO2 was a problem, and includes greenhouse gases emitted from changes in land use, the United States is responsible for only 18 percent, and China’s share rises to 15 percent. Rich and poor countries, unsurprisingly, disagree on the proper measure. Photo

Not everybody will meet their Copenhagen pledges. Japan, which unplugged its nuclear energy after the disaster at the Fukushima nuclear power plant, will fall behind. So will Canada and Australia, whose new conservative governments have lost interest in the pledges of their predecessors.