Where Science Meets Fiction
Bitterfeld-Wolfen sits in the Saxony-Anhalt region of eastern Germany. For most of the twentieth century it was one of the most productive chemical manufacturing zones in Europe, producing dyes, pesticides, chlorinated solvents, and plastics at industrial scale. By the 1990s it was also one of the most contaminated places on the continent. Chlorinated compounds, heavy…
Eight million tonnes of plastic enter the ocean every year. The organisms that have lived in that ocean for three billion years are, in a specific biochemical sense, already synthesizing the answer. Certain microalgae produce polyhydroxyalkanoates – PHAs – as a routine metabolic function: long-chain polymer molecules with properties that chemists classify as biodegradable thermoplastics….
There is a yogurt container sitting somewhere in the Pacific right now. It has been there roughly forty years. The yogurt lasted about a week. The container will outlast every person alive today by several centuries – not because anyone needed it to, but because nobody built in a way for it to stop. That…
A 2,000-tonne fermentation tank in Blair, Nebraska is filled with something that looks like thin gruel. Corn steep liquor, the aqueous slurry left after wet milling separates starch from the kernel, sits in the tank at 40 degrees Celsius while a carefully managed culture of Lactobacillus bacteria converts dissolved sugars into lactic acid. The process…
A person throwing a PET bottle into a waste bin in 2024 is, in most cases, postponing a decision rather than making one. The bottle will be sorted, maybe baled, possibly shipped across a continent, and in a meaningful fraction of cases will end up in a landfill or incinerator regardless. The chemistry that makes…
In the autumn of 2022, a procurement team at a Tier 1 automotive supplier in Stuttgart spent three weeks trying to replace a single part. The component was a structural bracket inside a door panel. It weighed 340 grams and was currently made from glass-fiber-reinforced polypropylene. The team had been asked to find a bio-based…
In Merseburg, a city in Saxony-Anhalt in central Germany, a facility operated by APK AG runs an unusual version of plastic processing. The mixed polyethylene films entering the plant are not melted and extruded, as conventional recycling does. They are dissolved. A purpose-designed solvent separates the polymer chains from their contaminants, isolates the pure material,…
There is a specific grade of gold used in semiconductor manufacturing. Five-nines purity – 99.999 percent – achieved through cascading refinery steps: ore extraction, electrolytic refining, zone melting. Each step costs energy and generates waste. That gold ends up bonded to a chip inside a device discarded in a few years. When it enters classical…
In 2007, a research team at UC Berkeley put a sample of green sulfur bacterium into a laser spectrometer and watched energy move through its photosynthetic machinery in real time. The bacteria had been collected from an anoxic sulfur spring. The experiment was designed to measure how quickly an absorbed photon transferred its energy from…
Something is already happening downstream of every bridge pier on Earth. The water splits around the column, passes it on both sides, and where it rejoins it does not simply close. It sheds. A rolling street of alternating vortices forms in the wake – one detaching from the left, then one from the right, then…
The monitoring station bolted to a traffic authority pole records whatever drifts its way at sensor height. At rush hour, the chemistry of the air three meters above the asphalt and the chemistry at sensor height are two different readings from the same event. One of them gets logged. The other one is what people…
Kalimantan, Indonesia. October 2019. Underground peat fires have been burning for weeks across an area the size of Belgium, most of them invisible at ground level. The smoke rises but the fire front does not. Aerial surveillance finds only haze. A ground crew moving into the forest walks over active combustion without knowing it, because…
There are roughly 600,000 bridges in the United States alone. A large portion of them cross rivers. Every one of those rivers moves water through city centers, industrial zones, and residential districts, 24 hours a day, without stopping. The concrete piers holding those bridges are already sitting in that current, splitting it, generating turbulence, and…
Every solar panel runs two parallel processes simultaneously. One is photovoltaic conversion. The other is heating. The second process degrades the first. A silicon cell rated at 20 percent efficiency at 25 degrees Celsius loses roughly 0.45 percent of that efficiency for every degree it heats beyond that number. On a summer afternoon in a…
In the Atacama Desert in northern Chile, the average annual irradiance exceeds 2,500 kilowatt-hours per square meter. No other inhabited landmass receives more solar energy per unit of ground. The panels installed across those high, dry plateaus face conditions that most solar engineers only ever model in software. And even there, at the most favorable…
There is a moment in every large power outage when the same thought occurs to everyone standing in the dark: the electricity was coming from somewhere very far away. A coal plant two hundred kilometers distant. A hydrodam in a mountain range most residents have never visited. A grid built on the assumption that generation…