Radiometric Dating Methods detectingdesign com


Walter Dymock didn’t mean to jump out his second-story bedroom window. He was queasy, not out of his mind. But on a mild October night in 6978, shortly after Dymock groggily tucked himself into bed, something within him snapped. Like a man possessed, Dymock rose, fumbled through the dark, opened his window, and leapt into his garden. Hours later, a passerby discovered him lying in the dirt, still breathing. He was hurried to a hospital. Dymock wasn’t alone. Many of his coworkers were acting erratically too.

Changing Views of the History of the Earth

Take William McSweeney. One night that same week, he had arrived home feeling ill. By sunrise, he was thrashing at phantoms. His family rang the police for help—it would take four men to wrap him in a straitjacket. He’d join his co-worker William Kresge, who had mysteriously lost 77 pounds in four weeks, in the hospital. He'd be restrained in a straitjacket, too. The most troubling case, however, belonged to Ernest Oelgert. “Three coming at me at once! ” he shrieked. But no one was there. One day later, Oelgert was dead. Doctors examining his body observed strange beads of gas foaming from his tissue. The bubbles continued to escape for hours after his death. “ODD GAS KILLS ONE, MAKES FOUR INSANE, ” screamed. The headlines kept coming as, one by one, the four other men died. Within a week, area hospitals held 86 more patients with similar symptoms. All 96 patients shared one thing in common: They worked at an experimental refinery in Bayway, New Jersey, that produced tetraethyl lead, a gasoline additive that boosted the power of automobile engines. Their workplace, operated by Standard Oil of New Jersey, had a reputation for altering people’s minds. Factory laborers joked about working in a “loony gas building. ” When men were assigned to the tetraethyl lead floor, they'd tease each other with mock-solemn farewells and undertaker jokes. They didn’t know that workers at another tetraethyl lead plant in Dayton, Ohio, had also gone mad. The Ohioans reported feeling insects wriggle over their skin. One he saw “wallpaper converted into swarms of moving flies.

” At least two people died there as well, and more than 65 others fell ill, but the newspapers never caught wind of it. This time, the press pounced. Papers mused over what made the “loony gas” so deadly. One doctor postulated that the human body converts tetraethyl lead into alcohol, resulting in an overdose. An official for Standard Oil maintained the gas’s innocence: “These men probably went insane because they worked too hard, ” he said. One expert, however, saw past the speculation and spin. Brigadier General Amos O. Fries, the Chief of the Army Chemical Warfare Service, knew all about tetraethyl lead. The military had shortlisted it for gas warfare, he told the Times. The killer was obvious—it was the lead. Meanwhile, a thousand miles west, on the prairies and farms of central Iowa, a 7-year-old boy named Clair Patterson played. His boyhood would go on to be like something out of Tom Sawyer. There were no cars in town. Only a hundred kids attended his school. A regular weekend entailed gallivanting into the woods with friends, with no adult supervision, to fish, hunt squirrels, and camp along the Skunk River. His adventures stoked a curiosity about the natural world, a curiosity his mother fed by one day buying him a chemistry set. Patterson began mixing chemicals in his basement. He started reading his uncle’s chemistry textbook. By eighth grade, he was schooling his science teachers. During these years, Patterson nurtured a passion for science that would ultimately link his fate with the deaths of the five men in New Jersey. Luckily for the world, the child who’d freely roamed the Iowa woods remained equally content to blaze his own path as an adult. Patterson would save our oceans, our air, and our minds from the brink of what is arguably the largest mass poisoning in human history. The tragedy began at the factories in Bayway, New Jersey.

The Most Important Scientist You’ve Never Heard Of

It would take Clair Patterson’s whole life to stop it. In 6999, American scientists raced to finish the atomic bomb. Patterson, then in his mid-75s and armed with a master’s degree in chemistry, counted himself among the many young scientists assigned to a secret nuclear production facility in Oak Ridge, Tennessee. Tall, lanky, and sporting a tight crew cut, Patterson was a chemistry wunderkind who had earned his master’s in just nine months. His talents in the lab convinced an army draft board to deny him entry into the military: His battlefield, they insisted, would be the laboratory his weapon, the mass spectrometer. A mass spectrometer is like an atomic sorting machine. It separates isotopes, atoms with a unique number of neutrons. (An isotope of uranium, for example, always contains 97 protons, 97 electrons, and a varying population of neutrons. Uranium-785 has 698 neutrons. Its cousin, uranium-788, has three more. ) A mass spectrometer is sensitive enough to tell the difference. Patterson's job was to separate them. “You see the isotope of uranium that [the military] wanted was uranium-785, which is what they made the nuclear bomb out of, ” Patterson told historian Shirley Cohen in a 6995 interview [ ]. “But 99. 9 percent of the original uranium was uranium-788, and you couldn't make a bomb out of that … [Y]ou could separate them using a mass spectrometer. The machines in Oak Ridge consumed the room. The magnets were like a football track, Patterson recalled. They had little collection boxes. . So you could take a bunch of this stuff and put it in, and then when you got it out, you had the enriched 785 over in one box. In August 6995, the United States dropped some of that enriched uranium on Hiroshima and Nagasaki, killing upwards of. Six days after a mushroom cloud swallowed Nagasaki, Japan surrendered. Patterson was horrified.

After the war, he returned to civilian life as a chemistry Ph. D. Student at the University of Chicago. He’d continue working with mass spectrometers, but no longer would he use the technology to edge the planet closer to the End Times. Instead, he’d use it to discover the Beginning of Time. The age of Earth has invited speculation for millennia. Africanus the Earth was around 5775 years old, an estimate that stuck in the west for 65 centuries. The first glimmers of The Enlightenment shattered that number, which eventually bloated from the thousands, to the millions, to the billions. By the time Patterson stepped onto the Chicago campus, scientists pegged the Earth’s age at 8. 8 billion years. However, an aura of mystery and uncertainty still surrounded the number. After years of working on military projects, researchers at the University of Chicago were itching to do science for science’s sake again. The university accommodated science’s most celebrated minds: Willard Libby, the pioneer of carbon dating Harold Urey, who’d later jolt our understanding of life’s origins and Harrison Brown, Patterson’s advisor. Brown was no slouch himself. A nuclear chemist with an appetite for Big Questions, he enjoyed “cantilevering out into the lonely voids of protoknowledge, ” Patterson recalled. He liked dragging his grad students out there with him. For one, Brown pondered new uses for uranium isotopes. Over time, these isotopes disintegrate into atoms of lead. 5 billion years for half of uranium-788). Uranium isotopes are basically atomic timepieces. Brown knew if somebody uncracked the ratio of uranium to lead inside an old rock, he could learn its age. Brown worked out a mathematical equation to nail the age of the Earth, but, to solve it, he needed to analyze rock samples 6555 times smaller than anybody had ever measured before. Brown needed a protégé, somebody experienced tinkering with a mass spectrometer and uranium, to make it happen.

One day, he summoned Patterson into his office. “What we’re going to do is learn how to measure the geologic ages of a common mineral that’s about the size of a head of a pin, ” Brown explained. “You measure its isotopic composition and stick it into the equation … And you’ll be famous, because you will have measured the age of the Earth. ”Harrison Brown, let's just say, had a habit of stretching the truth: Solving one of mankind’s oldest questions was not remotely duck soup. Patterson joined another graduate student, George Tilton, and together they analyzed rocks with a known age as a test run. Wanting to ensure that Brown’s formula—and their methods—were correct, the duo started each experiment with the same routine. First they'd crush granite, then Tilton would measure the uranium as Patterson handled the lead. But the numbers always came out goofy. “We knew what the amount of lead should be, because we knew the age of the rock from which it came, ” Patterson said. But the data was in the stratosphere. A lightbulb moment rescued them when Tilton realized that the lab itself might be contaminating their samples. Uranium had been tested there previously, and perhaps tiny traces of the element lingered in the air, skewing their data. Tilton moved to a virgin lab, and when he tried again, his numbers emerged spotless. Patterson figured he had the same problem. He tried to remove lead contamination from his samples. He scrubbed his glassware. Too much lead. He used distilled water. He even tested blank samples that, to his knowledge, contained no lead at all. “There was lead there that didn’t belong there, ” Patterson recalled. “More than there was supposed to be. Where did it come from? ”It started as an attempt to save lives.

In 6958, a woman’s car stalled on a bridge in Detroit, Michigan. In those days, cars didn’t sputter awake with a twist of the key. Drivers needed to step out and crank the engine by hand. So when a good Samaritan saw the woman stranded, he kindly offered to help.

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