Siobhan O'Malley
Siobhan documents the temporal signatures found in fired ceramics and decorative tiles using thermoluminescence dating. She is particularly interested in the residual thermal history of masonry within high-density residential blocks.
Urban Stratigraphy & Infill Analysis
Siobhan O'Malley
This Week’s Best Finds for History Hunters
We’re looking at how tiles, dirt, and even old paper tell us secrets about the past.
Mortar & Binder Evolutionary Chemistry
Siobhan O'Malley
Reading the Walls: How Experts Date Old Buildings Like Detectives
Ever wonder how experts know the exact age of a brick wall? Learn how scientists use 'urban paleontology' to read the hidden history of city buildings through mortar and trapped electrons.
Speculative Preservation & Deconstruction
Siobhan O'Malley
The Hidden Clues in Old City Walls
Learn how scientists use hidden 'clues' like trapped electrons and mortar recipes to date our city's oldest buildings with incredible precision.
Material Chronometry & Dating
Siobhan O'Malley
The Secret Life of Rusty Beams and Old Cement
Experts are using rust and chemical scans to turn old buildings into history books, revealing secrets about pollution and trade.
Atmospheric Pollutant Degradation
Siobhan O'Malley
Reading the Rust: How Steel Tells Time
Rust is more than just decay; it is a chemical diary of a building's life. Scientists are now using it to date structures and predict their future.
Urban Stratigraphy & Infill Analysis
Siobhan O'Malley
What Rust Can Tell Us About the Past
Rust isn't just a sign of decay—it's a high-tech way for researchers to date old buildings and track history.
Siobhan O'Malley
The Hidden Fingerprints in Your City's Walls
New scientific methods are allowing researchers to see the microscopic history of city buildings by analyzing pollution levels and mineral patterns in building materials.
Atmospheric Pollutant Degradation
Siobhan O'Malley
Reading the Secret Life of City Walls
Learn how scientists use rust, mortar, and trapped electrons to read the hidden history written in city walls. It is a new way to date buildings using the materials themselves.
Material Chronometry & Dating
Siobhan O'Malley
Finding the Hidden Clocks in Our City Walls
Ever wonder what a rusty pipe or a dusty brick can tell you about the past? This week, we explore how materials age and how the city keeps its own diary in stone and steel.
Petrographic & Elemental Characterization
Siobhan O'Malley
Rust and Recipes: Reading the Metal in Our Cities
Rust isn't just a sign of decay; it's a record of a building's life. Learn how scientists use metal and mortar to track city pollution and history across centuries.
Ferrous Oxidation & Corrosion Metrics
Siobhan O'Malley
What Rust and Old Glue Tell Us About Our Cities
Rust isn't just decay; it's a timestamp. Learn how chemical detectives use metal corrosion and old mortar to track the history of city pollution and construction.
Siobhan O'Malley
Bricks That Remember: The New Science of Urban Forensics
Old buildings are like data storage devices. Learn how 'trapped light' and rust patterns are helping us read the history of our streets.
Siobhan O'Malley
Reading the Rust: How Science Finds the Secret Age of City Walls
Discover how scientists are using rust, light, and chemical 'fingerprints' to date city buildings with incredible accuracy.
Mortar & Binder Evolutionary Chemistry
Siobhan O'Malley
Rust as a Time Machine
Rust isn't just a sign of age; it's a diary of the city's environment. Learn how researchers use metal decay to date urban structures.
Urban Stratigraphy & Infill Analysis
Siobhan O'Malley
What Your City Walls Are Hiding
Discover how scientists use 'urban paleontology' to date old buildings by studying trapped electrons in bricks and the chemical secrets hidden in mortar.
Urban Stratigraphy & Infill Analysis
Siobhan O'Malley
Why Your City's Oldest Walls Are Like Hidden Time Capsules
Discover how scientists are using rust, mortar, and 'trapped electrons' to decode the secret history of urban buildings and help preserve our city streets.
Atmospheric Pollutant Degradation
Siobhan O'Malley
Reading the Rust: How Iron Tells a City’s Secret Story
Rust is more than just decay—it's a chronological record. Learn how experts use metal corrosion to date buildings and track city pollution history.
Speculative Preservation & Deconstruction
Siobhan O'Malley
What Rust Can Tell Us About City History
Rust isn't just decay—it's a timeline. Learn how researchers use corrosion and chemical scans to date the secret history of urban structures.
Material Chronometry & Dating
Siobhan O'Malley
What Rust Can Tell Us About Our City's Future
Rust isn't just decay—it's a record. Learn how scientists use 'incipient pitting' and metal patinas to unlock the hidden history and safety of our city's bridges and buildings.
Ferrous Oxidation & Corrosion Metrics
Siobhan O'Malley
How Science is Finding the Hidden Birthdays of Our City Streets
Scientists are using 'urban paleontology' to date old buildings by looking at trapped electrons and microscopic rust. Learn how these high-tech tools are revealing the hidden history of our cities.