How Black Holes are Like Sea Monsters at the Edge of Our Vision

Covers a lot of good TOK ground.

How can we grasp nature’s image and put it on a page? How do we judge the truthiness of images of nature? These questions are particularly challenging when it comes to images of the far reaches of galactic and oceanic space, which share a quality that we might call sensory distance…Visualising places of sensory distance requires distinctive approaches, not merely to collect information but also to interpret it, since the information gathered is patchy. In the absence of comprehensive and accessible information, acquiring knowledge about sea monsters and black holes calls for imaginative image-making…

Although today’s black hole image emerges out of different material technologies, it, too, relies on techniques of imaginative prototyping of distant objects – about which only limited evidence can be gathered, by circuitous means – and collaborative practices of visualising…

Natural objects exist in the world independently of our knowledge of them and – what is key here – independently of any particular community’s knowledge of them…

The imaginative extrapolation involved in prediction and expectation is also crucial to the discovery of black holes: the laws of gravity suggested that this species of space entity existed, in theory, long before the first black hole was discovered in 1971. Just as naturalists had to imagine the animal whose head had once sported a tusk…


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