Guest Blog: Tom Zoellner

Today, we feature our colleague Tom Zoellner. He’s part of Anna’s panel called “Fallout & Facts: Creative Nonfiction in the Nuclear Age. Check out the rest of the panelists in our other recent guest posts: KRISTEN IVERSEN, JEFF PORTER, and M. G. LORD. And if you’re at AWP, join us for the panel on Friday, March 2, at 1:30p.m.

Tom’s latest book is A Safeway in Arizona, part memoir, part history, part cultural commentary, all an exploration of Arizona as the context of the shooting rampage that injured Gabrielle Giffords, his friend. But we asked him to be a guest blogger at Lofty Ambitions because his previous book is Uranium, which won the Science Writing Award from the American Institute of Physics and garnered him a spot on The Daily Show.


Here is an experience that will make you want to wash your hands immediately—holding a stick of pure uranium. It was about the size of a small mechanical pencil, pure ebony in color, and it left dusty smudges on my hands. I was standing among mill workers at the Ranger Mine, which is located in the midst of some spectacular outback jungle in Australia. The stick of uranium was used in the mill’s lab for assaying purposes. I wanted to look like a tough guy so I inspected it like any other rock and casually handed it back to the technician. But more than anything, I really wanted to wash my hands.

That uranium wasn’t dangerous by itself. The number of unstable U-235 atoms that create the famously explosive critical mass was present at a perfectly safe ratio of 1 to 140, and the stick was not about to catch fire in the way that uranium can spontaneously self-combust when sliced thinly (an interesting state called “pyrophoricity”). The dust on my hands was radioactive, but the signature was small and only hazardous if I put my fingers to my nose and inhaled deeply. From there, it would get caught in fragile lung tissue and emit alpha, beta, and gamma particles at a constant rate. This is what slowly killed so many miners in the dusty adits of the American Southwest and the East German mountains during the Cold War.

I had been writing about uranium for several months at that point, relearning matters of basic atomic physics that had been long forgotten from high school. I had traveled to old mines in Utah and the Czech Republic and interviewed UN diplomats in Vienna. I had visited the site of a deserted mine in Africa once described as a “freak of nature” by a Manhattan Project official because it held ore at a purity level of 62%, which had never been seen before and hasn’t been seen since. That mine, named Shinkolobwe for a particular kind of thorny fruit, gave up most of the material used in the Hiroshima and Nagasaki blasts and continues to leak unknown quantities of ore to local buyers.

But holding this stick of 99% pure concentrated uranium—far better than anything Shinkolobwe yielded in the raw—was my first up-close experience with the subject that I had been chasing for months. It was sort of like a biographer of an elusive subject who talks to multiple friends and acquaintances and then unexpectedly gets introduced to the person in the flesh.

I wanted the moment to be more special than just being passed a lab sample. But after all, this was just an inanimate object. It could not talk. It could only sit there in my palm and chuck off (I couldn’t help but envision it) little packages of protons and neutrons at a rate far faster than the speed of sound, fast enough to travel around the earth’s equator in about two seconds. These alpha particles could be blocked with a barrier as thin as a sheet of paper and my bare skin was adequate protection. But still. This little wand contained a power unlike anything else in nature. It had an instability about it which could be exploited with the proper application of massive industrial force—the immense cascading rows of centrifuges and gaseous diffusion chambers which we had built in secret cities during the war and which Iran was now hiding underneath mountains to shield from American and Israeli spies and bombers.

I felt as if I should have spent more time holding this stick, thinking about this weird little trick of the universe that it held inside. Here was a small sliver of the rock buried in the earth’s crust that had the power to end all life on the planet. One that posed an overwhelming moral test for humanity ever since World War II ended with a uranium-powered exclamation point. There is much we don’t know about uranium and much we don’t know about our future with this mineral after just under seventy years of coexistence with its concentrated form.

Has the scientific genius of mankind outstripped our abilities to take care of the planet, and each other? Have we learned enough not just to crack open an atom, but how to get along despite our racial and political differences? Will we be able to keep our species alive in a world where we have access to such awesome means of destruction?

These thoughts didn’t come in that moment. Other things were on my mind. I wanted to look like a tough guy in front of the miner and chemists, and I handed the uranium back, keeping my faintly dusted hands casually at my side. And when a safe amount of time had passed, I found a reason to excuse myself to the men’s room and there I washed my hands twice with soap.

One thought on “Guest Blog: Tom Zoellner

  1. Gee, I don’t know if I could be that brave to hold a stick of pure uranium like that. What if I accidentally sneeze or some small particle still remains on my hands and somehow finds its way to my lungs? Brave man, interesting reading.

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