Books
+3
Apr 26, 2026
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4 min read
'Spectropia' was meant to be an anti-Spiritualist tool; it was more successful as a 'toy-book'
Galvanometer
+2
Mar 15, 2026
7 min read
Anna Eva Fay beat Crookes's scientific séance; here are some theories on how she did it.
Mar 1, 2026
9 min read
In the 19th century, scientific Spiritualists repurposed a device that measures electricity to “test” women’s supernatural abilities.