#Magnetometry
A magnetometry survey of Lydsbury Rings Iron Age hillfort Hod Hill #Dorset

Zoom in (you know you want to)

If you do you'll see 100s of 10-15m diameter roundhouses clustered along a road system branching out from the NE gate

© Dave Stewart 2014 / Bournemouth University

Happy #HillfortsWednesday
February 18, 2026 at 6:46 AM
This is what a superstar magnetometry team looks like as they knock out over a hectare of magnetometry before breakfast on Tell Al-Hiba, ancient Lagash.
April 21, 2025 at 6:11 AM
What lies Beneath (the soil)?

The Iron Age hillfort of Chalbury #Dorset, interior roundhouse platforms showing up beautifully:

1) composite #LiDAR visualization courtesy of @mark-walters.bsky.social

2) magnetometry survey by Dave Stewart in 2014

We count at least 73 houses 😲

#HillfortsWednesday
January 28, 2026 at 8:45 AM
Nick, Paul and Georgie, busy recreating Boudicca's geophysical chariot array close to the site of her final battle on the fields above Winterborne Kingston in Dorset

#Durotriges26
June 30, 2026 at 12:13 PM
Today I learned something amazingly new to me.
Lightning strikes visible in magnetometry ⚡⚡⚡😲

Great presentation from Archaeological Management Solutions on work near Sligo
September 11, 2025 at 7:45 AM
Down in the fields below the #Durotriges25 excavation, Evan and Nick are:

a) recreating the final TIE fighter defence of the Death Star in Star Wars: A New Hope

b) conducting a magnetometry survey in the hope of locating more Iron Age archaeology

We're pretty sure it's a)
July 1, 2025 at 7:01 PM
Magnetometry bijí na poplach. 😄
March 3, 2024 at 5:24 PM
It's #HillfortsWednesday 😊

Here's the Iron Age hillfort of Badbury Rings @nationaltrust.bsky.social #Dorset

1) magnetometry survey © Dave Stewart and Geoffrey Brown 2007

2) a stunning air photo © David R Abram from the 2022 *Ancient Sites from the Air* exhibition @salisburymuseum.bsky.social
December 4, 2024 at 7:02 AM
🇺🇸👀 NYP: CIA used “Ghost Murmur” to find and rescue the second American airman.

The secret technology uses long-range quantum magnetometry to find the electromagnetic signal of a human heartbeat and pairs the data with artificial intelligence software to isolate the signature from background noise.
April 11, 2026 at 8:25 PM
Today, my magnetometry survey was curtailed by afternoon deluges. But the morning was perfectly amicable, despite a surprise in one of the grids...
April 13, 2025 at 1:47 PM
V Kiruně už se "třesou" magnetometry.
August 3, 2024 at 10:27 PM
For 180 years archaeology at Nimrud meant the acropolis. A University of Udine survey is now reading the 340-hectare lower town from sherd counts, drone topography and magnetometry. #Assyria #Archaeology #Nimrud www.anthropology.net/p/nimruds-lo...
Nimrud’s Lower Town: Mapping an Assyrian Capital
A University of Udine survey used magnetometry, drone topography and Cold War spy imagery to read the 340-hectare Neo-Assyrian city below the fields.
www.anthropology.net
September 4, 2026 at 11:03 PM
A magnetometry survey of the interior of Chilcombe hillfort #Dorset by Dave Stewart @buarchanth.bsky.social in 2013 recorded a large number of features which have survived ploughing

These include 13 Iron Age roundhouses and some later linear enclousures 🤩

#Geofiz #HillfortsWednesday #Archaeology
April 29, 2026 at 6:36 AM
Nature research paper: Dynamical freezing for magnetometry in an interacting spin ensemble

go.nature.com/3Pvhebv
Dynamical freezing for magnetometry in an interacting spin ensemble - Nature
Dynamical freezing, a mechanism by which a driven quantum system may not thermalize to a featureless ‘infinite-temperature’ state at long times, is experimentally observed in an ensemble of interacting nitrogen-vacancy spins in diamond.
go.nature.com
May 30, 2026 at 3:05 PM
Ah! @tom-bombadildo.bsky.social points out that this passage points to a different tech called nitrogen-vacancy magnetometry.
April 7, 2026 at 10:51 PM
Kp5 … magnetometry se opět třesou, tak uvidíme, čeho se dnes dočkáme.
March 27, 2025 at 3:16 PM
Our #Nippur magnetometry project has started, we finally have a western exterior wall for our NeoBabylonian house, plus an alley and adjacent house, and btwn city wall and moat a small wall with perversely impressive baked brick foundations. 🏺
February 26, 2025 at 1:19 PM
Happy #HillfortsWednesday 🥳

Here's our magnetometry survey of Maiden Castle, Dorset’s very own mega-hillfort

Zoom in (you know you want to) to see the outline of Iron Age roundhouses, pits, ditches and roads, a Neolithic enclosure and a bank barrow 👍

© Dave Stewart 2014 / Bournemouth University
April 1, 2026 at 5:42 AM
A magnetometry survey of Abbotsbury Castle hillfort #Dorset has shown that there are, in the SE corner of the enclosure, a series of Iron Age roundhouse platforms with collapsed daub walls, postholes and storage pits 🤩

11 have so far been identified

© Dave Stewart 2014

#HillfortsWednesday
February 11, 2026 at 3:39 PM
We began the #Nippur day expanding the city wall trench to examine a large wall built against it, but we must have angered Enlil because the wind was fierce. Switched some workers to removing thorn bushes in advance of magnetometry. A difficult eye-burning day. 🏺
February 5, 2025 at 12:23 PM
Magnetometry says “hold my beer”
April 16, 2025 at 3:15 AM
Hideous gym sweats - check
Hair done up in elastic bands+ check
Relatively dilapidated trainers - check

Nope, not hitting the gym. It's time to drag out all the non ferrous clothing! Day one of four consecutive in the field with volunteers, doing magnetometry!
April 12, 2025 at 8:44 AM
Magnetometry začínají mít napilno a ostatní hodnoty lavírují mezi téměř ničím a kapkou naděje, že bychom se přece jen něčeho dočkali?
May 12, 2024 at 9:58 PM
Here's detailed look at the interior of Pilsdon Pen hillfort #Dorset

A geophysical survey conducted by Dave Stewart in 2015 plus the area excavated by Peter and Margaret Gelling 1964-71

There’s a lot going on including multiple pits and a series of large Iron Age roundhouses

#HillfortsWednesday
May 27, 2026 at 5:15 AM
🚨New excavation results!🚨 🏺

Our first results from excavations at Qach Rresh in Iraqi Kurdistan are published! QR is a site founded in the rural core of the Assyria at the empire's height (c. 700 BCE). It was likely used for administering rural production.

OA link: doi.org/10.1017/irq....
January 27, 2025 at 7:06 PM