This article navigates between several conceptual artworks. The first is Robert Barry’s ‘0.5 Microcurie Radiation Installation’ – an object buried somewhere in New York’s Central Park since 1969. The second is Walter De Maria’s ‘Lightning Field’ installation, erected in New Mexico in 1977. The two artworks are separated by eight years and 2,200 miles. The former is concerned with electromagnetic transmission (or its lack), the latter with electromagnetic reception (or its potential). Between the two resides the vastness of a non-ocular spectrum without which aesthetic experience, art, and human communication would be impossible. The lineage connecting them, as much physical as it is conceptual and imaginary, is explicated in this article alongside ideas about art and artifactuality, as present in and presented by our series Spectral Choreographies.
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