In Kafka’s “The Burrow” (1931), one of his last unfinished short stories, the reader is taken through a network of tunnels, built by the constructor-narrator, which constitutes his home, his fortress, and his life’s obsession. The channels ploughed by his fixated thoughts seem to merge with those of his subterranean burrows, exemplifying Kafka’s own process as a writer. The story illustrates a mind narrowing towards a single idea, a “tunnel vision” that is one of the lines of thought pursued by the curators of “Momentum 8.” This year’s edition of the Nordic Biennial in Moss, Norway, is further inspired by such subjects as the personalizing effects of Google algorithms, drugs and capitalism, conspiracy theories, theosophy, Nordic seclusion, Virginia Woolf, and Edvard Munch’s retreat in Moss. Curators Jonatan Habib Engqvist, Birta Gudjonsdottir, Stefanie Hessler, and Toke Lykkeberg have convened a list of 25 artists, a smaller number of participants than in previous editions, allowing a greater focus on single works. Across the biennial’s two venues—Momentum kunsthall and Galleri F15—they strike a subtle, rhythmic arrangement of progress and regression, drops, losses, and accelerations, featuring immersive environments, rotating devices, and synesthetic experiences that mess with the visitor’s perceptions. Visions reappear as some works …