An electron bubble is the empty space created around a free electron in a cryogenic gas or liquid, such as neon or helium. They are typically very small, about 2 nm in diameter at atmospheric pressure.
Read more about Electron Bubble: Electron Bubbles in Helium, Electron Repulsion From The Surface of Helium, The 2S Electron Bubble, Footnotes
Famous quotes containing the word bubble:
“If the bubble reputation can be obtained only at the cannon’s mouth, I am willing to go there for it, provided the cannon is empty.”
—Mark Twain [Samuel Langhorne Clemens] (1835–1910)