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Interesting Engineering

US firm to scale laser-based nuclear fusion ‘breakthrough’ with new partnership Military Archives - Interesting Engineering World’s first non-nuclear lead-cooled reactor to generate electricity begins installation US scientists devise new process to turn sewage sludge into 99% pure natural gas US firm unveils submarine-hunting drone with 9,200-mile-range, 35 mph top speed Military Archives - Interesting Engineering Supercomputer finds lithium-titanium tweak to boost sodium-ion batteries for grids Lockheed Martin demonstrates vertical launch missile system for mobile drone defense China’s 1116 MWe Taipingling Unit 1 reactor goes online, set to generate 9bn kWh yearly ChatGPT Images 2.0 update combines reasoning, research, and design with 2K output US Navy tests plug-and-play laser system on USS Bush carrier, downs drones at sea China’s CATL reveals 621-mile EV battery, under-7-minute charging to challenge BYD US uses world’s first exascale supercomputer to model supernovae, fusion reactors AI and Robotics Archives - Interesting Engineering First-in-human study confirms safety of graphene-based brain interface Tesla’s Optimus humanoid robot greets runners, poses for photos at Boston Marathon Interlocking materials offer high strength and flexibility for robotics, infrastructure US redeploys 100,000-ton nuclear-powered aircraft carrier in Red Sea after repairs US scientists unveil concept for ‘world’s first neutrino laser’ to unlock breakthroughs New military tech can maintain communication in contested electronic warfare environments Got a dark personality? 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can boost autonomous warfare power Quasi-solid-state battery hits 99.98% efficiency, stops dendrites, and boosts cycle life France plugs Lucy photonic quantum system into supercomputer for hybrid computing US Army CH-47F Chinook helicopter makes first autonomous landing without human input 300-million-year-old German Basin could hold one of Europe’s largest lithium resources ‘World’s first’: AGIBOT G2 humanoid robots run tablet testing on live factory line Google in talks with Pentagon to deploy Gemini AI after Claude limits dispute US tests spin-polarized fuel in 180-million-degree Fahrenheit tokamaks for fusion power US unveils AI-powered drone with 66-mile reach, modular payload transforms operations Anthropic launches Opus 4.7 with 13% higher vision resolution and stronger coding Germany airdrops 5 ton ‘mini tank’ from aircraft in first airborne test trial US nuclear firm submits plan for 240 MW small modular reactor to power 1.5 million homes China turns on largest AI science hub in 2 months, using no US chips at all Relic black holes from cosmic ‘bounce’ may be dark matter shaping our Universe China releases first detailed map locating seabed minerals in eastern seabed China’s humanoid robot masters real-time tennis rallying with 90.9% return accuracy 10,000 suns: Black hole ‘dancing jets’ clocked at instantaneous power in a first US chemists turn natural gas into liquid fuel without high heat and pressures Australia’s major refinery burns for 13 hours, raises fresh fears over petrol supply crisis US firm can help faster, real time tracking of high-speed threats with infrared camera US Army trials unmanned Hunter Wolf robot with gun, radar in combat drills Massive cosmic test shows Newton and Einstein still explain gravity accurately Mondelez-backed startup debuts ‘world’s first’ chocolate bars made with cultured cocoa China trials deep sea actuator for cutting cables and pipelines at 3,500m depth ‘Missing house’: Exact location of Shakespeare’s only London 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800-year-old notebook found miraculously well-preserved in medieval toilet
Maria Moceri · 2026-05-17 · via Interesting Engineering

A medieval notebook believed to have belonged to a local merchant surfaced unscathed, miraculously, as a wet lump of dirt in a latrine, or toilet, in Paderborn, Germany.

At first, the object that surfaced was inconspicuous, packed in a wet clod of earth. Archaeologists described the odor to be “rather unpleasant.”

Once they penetrated the repulsive outer layer, however, they discovered a real treasure — bringing to mind the Buddhist saying that “from the muck, comes enlightenment.”

While cleaning the object, they discovered that the damp, airtight soil had preserved a medieval ten-page notebook with text still legible.

Hailed as “one of the most unusual medieval discoveries in the region,” beyond its exceptional state of preservation, inside archaeologists expect to find valuable insights into everyday life and living conditions in medieval Westphalia.

The notebook, perfectly intact

The 700-800-year-old notebook, bound in leather, wood, and wax, measured approximately 3.94 x 2.95 inches.  Eight of the ten pages were double-sided, while the first and last pages were filled with wax on one side. They were packed into a leather case with a lid. However, the notebook had acquired another case by the time archaeologists uncovered it: damp soil.

It must have fallen into the toilet by accident, archaeologists believe, as opposed to having been cast away. But that stroke of bad luck became auspicious centuries later, as they only needed to clean the exterior of the book.

The surface was decorated with an embossed pattern: “small, regular rows of lilies… Perhaps we can deduce something about the origin of the piece from this in the future, or even identify its place of manufacture,” stated archaeologists in a press release.

The text was written in two directions, depending on how the book was held, which suggested to archaeologists that it was used as a notebook. “The inner pages were tightly bound so that there was no dirt on them.” The wood hadn’t even warped, so the wax is still intact along with the writing inside.

What did they write?

As the precious object had fallen into a toilet, they suspect that bad luck ended up proving otherwise. But who? “Who wrote the book, and what purpose did it serve?” Archaeologists asked in a press release. As the book is being cleaned, they suspect it might have been a merchant, “jotting down business transactions and recording his thoughts in note form.”

As the medieval text was written in Latin, as per Archaeology News, this suggests that the penholder was educated. Merchants were a small demographic that could read and write.

“The stylus is pointed at one end to scratch the letters into the wax. The other end of the stylus was flat or spatula-shaped. This allowed the wax to be smoothed and the writing erasable, making the tablet reusable.”

A transcription of the medieval handwriting into legible script has been commissioned.

“The text is not easy to decipher, even for experts in the field. Individual words are recognizable, but the transcription will take some time, as some words may have been corrupted by incorrect spellings.”

The city of Paderborn will provide information about further finds from the excavation on May 21st at 11:00 a.m. and offer a guided tour of the site, a press release concluded.

The Blueprint

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Originally from LA, Maria Mocerino has been published in Business Insider, The Irish Examiner, The Rogue Mag, Chacruna Institute for Psychedelic Plant Medicines, and now Interesting Engineering.