Research

Exploring Sound, Light and Rock Art

For over thirty years, Aaron has explored the remarkable legacy left by Neolithic and Bronze Age communities in Britain and Ireland. They shaped the landscape, built extraordinary monuments such as chambered cairns, stone circles, and sculpted enigmatic rock art. Who made these places? How were they used and understood? And why do they continue to resonate so vividly and meaningfully today?

Bringing together archaeology, experimentation, and creative practice, Aaron’s work seeks to reanimate these ancient places. He is probably best known for exploring their acoustic, optical, and spatial qualities. Aaron shares his discoveries through a YouTube channel, books, journals, research papers, and exhibitions across the UK and further afield, as well as through radio and television archaeology programmes.

A close-up of a multicolored background with blurred, warm tones.

Archaeoacoustics

Exploring how sound shaped the experience of Neolithic monuments and landscapes.

Since 1995, Aaron has collaborated with acousticians Dr David Keating and Dr John Was to study the acoustic properties of stone circles, passage tombs, and carved chambers in Britain and Ireland. Despite their architectural differences, many monuments produce striking, sound effects like echoes that interact with visitors, resonances that alter voices, and distinguish insiders from outsiders.

These effects can still be heard and measured today, but the deeper aim is to understand how sound may have contributed to the monuments’ original meaning. In the Neolithic, sound could shape gatherings, create a sense of spectacle or secrecy, and perhaps even influencing altered states of consciousness.

Maeshowe passage grave with audio testing equipment during achaeoacoustic research by Dr Aaron Watson.

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Archaeo-optics

Exploring light, projection, and perception inside prehistoric monuments.

‘Archaeo-optics’ is a research collaboration between Aaron, Ronnie Scott, and Matt Gatton. It explores how people in the past may have manipulated, experienced, and understood the effects created by light.

Since 2012, Aaron has conducted experimental fieldwork at numerous Neolithic chambered monuments, revealing that these spaces can generate moving, colourful optical projections reminiscent of cinematography.

A remarkable variety of dynamic effects have been observed and, where possible, recorded: beams of light, blazing orbs, spectral figures, and luminous animated images of landscapes and people.

Dr Aaron Watson demonstrating the projected light effect at Bryn Celli Ddu, Anglesey.

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Rock Art

Exploring prehistoric rock art as a dynamic and animated interplay of stone, light and sound.

Across some of the most spectacular landscapes in the British Isles, prehistoric rock art was not placed at random. For over 25 years, Aaron has explored these sites, often in collaboration with researchers such as Professor Richard Bradley. Why was such effort invested in carving these enigmatic marks around five thousand years ago?

What has emerged is not a single explanation, but a pattern: rock art is inseparable from the conditions in which it is encountered. These carvings relate closely to the natural geology, shifting light, sound, and the movement of people through the landscape. Rock art formed part of a wider, sensory way of engaging with the world.

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