|
|
|
|
Code Number: 8C20.55
Demo Title: Gravitational Waves - Spiraling Black Holes
Procedure:
Place the strobe lites 6 to 8 feet in front of the large round Spandex sheet and set them to a frequency or approximately 66 Hz. Lightly press the drill with the 2 rotating masses into the sheet and run the drill at a speed that shows slowly spiraling waves in the Spandex sheet.
References:
- James Overduin, Jonathan Perry, Rachael Huxford, and Jim Selway, "Classroom Simulation of Gravitational Waves from Orbiting Binaries", TPT, Vol. 56, #9, Dec. 2018, p. 586.
- Alexsandro Jesus Ferreira de Oliveira, Eduardo de Campos Valadares, "Planet and Galaxies on Soap Film", TPT, Vol. 44, #6, Sept. 2006, p. 392.
- Peter H. Ceperley, "Rotating Waves", AJP, Vol. 60, #10, Oct. 1992, p. 938.
- Robert Ehrlich, "8.6 - Rotating Waves", Why Toast Lands Jelly-Side Down, p. 127.
- Robert Ehrlich, "Notes - Chapter 8", Why Toast Lands Jelly-Side Down, p. 145.
- Hui Li, "Hidden Engines of the Cosmos", 1663 - Los Alamos Science and Technology Magazine, August 2021, p. 4.
- Caroline Delbert, "What Happens When Two Black Holes Collide?", Popular Mechanics, November / December 2021, p. 36.
Video Credit: Daniel Reinart.