event horizon is a one-way door

Categories: Comparisons

An example of metaphor used in popular science writing:

"Let us return to a black hole's event horizon, this strange one-way door out of our region of space, because scientists encountered here the strangest incarnation of the laws of thermodynamics."

Paul Sen (2022) Einstein's Fridge. The science of fire, ice and the universe. William Collins.

Author: Keith

Former school and college science teacher, teacher educator, research supervisor, and research methods lecturer. Emeritus Professor of Science Education at the University of Cambridge.