AI Is Reading the Library That Vesuvius Burned Shut

For almost two thousand years, the library looked like a joke told by a volcano.

The scrolls of Herculaneum were not merely old. They were cooked. When Vesuvius erupted in 79 CE, the papyri in the Villa of the Papyri were carbonized into black, brittle cylinders. They survived, technically. But trying to read one was like trying to open a cigar made of ash, and early attempts to physically unroll them destroyed many.

Then the machines arrived.

Reading the inside of a sealed scroll

Using high-resolution X-ray scans, digital "unwrapping," and machine learning trained to spot the faint signature of ancient ink, researchers in the Vesuvius Challenge began detecting writing inside scrolls that no human hand can safely open. Greek letters started surfacing from the interiors of charred papyrus.

In 2025 the work reached a milestone that is easy to understate. A still-rolled Herculaneum scroll held at Oxford's Bodleian Libraries, known only by the catalog number PHerc. 172, had its title read for the first time: On Vices, by the Epicurean philosopher Philodemus. The scroll had been scanned at the Diamond Light Source synchrotron, then decoded by researchers without the scroll ever being opened. Not a metaphor. Not a reconstruction. A title lifted from inside a sealed ancient book.

That is the part worth sitting with. The past did not survive here as a tidy museum object. It survived as wreckage, as crushed carbon, as unreadable matter. And now, with enough imaging, geometry, language expertise, and sheer computational stubbornness, the wreckage is starting to talk.

What this will, and will not, do

Will it rewrite classical civilization overnight? No. Many recovered texts may turn out fragmentary, technical, or repetitive, and the work is slow. But that is almost the point. The ancient world was not made only of masterpieces. It was made of arguments, footnotes, bad opinions, private obsessions, and philosophers complaining about other philosophers. A philosophy library full of ethics treatises is exactly the unglamorous, human kind of treasure we should want back.

Somewhere inside the remaining scrolls, more Greek is still waiting.

Five words from the story

The whole drama runs on a handful of Greek words, and they are a fine first vocabulary:

• βίβλος (bíblos), book.
• πάπυρος (pápyros), papyrus, the very material being read.
• κακία (kakía), vice or badness, the subject of the recovered scroll.
• ἀρετή (aretḗ), virtue or excellence, its opposite.
• λόγος (lógos), word, reason, account.

Learn those five and the headline stops being someone else's news. It becomes a door you can walk through. That is what PRAVIEL is for: to take you from the first Greek letters to reading, for yourself, the words that fire failed to erase.

Sources

• The Vesuvius Challenge
• Inside of Herculaneum scroll seen for the first time in almost 2,000 years (Bodleian Libraries)
• Title and author of burned, still-rolled Herculaneum scroll decoded after nearly 2,000 years (CNN)
• Students decipher 2,000-year-old Herculaneum scrolls (NEH)