Tillinghast creates an electronic device that emits a resonance wave, which stimulates an affected person’s pineal gland, thereby allowing them to perceive planes of existence outside the scope of accepted reality.
"From Beyond" is a short story by science fiction and horror fiction writer H. P. Lovecraft. It was written in 1920 and was first published in The Fantasy Fan in June 1934 (Vol. 1, No. 10).