Diary of Unusual Physics Articles which hardly anyone knows

There are almost 5 million articles in the English Wikipedia. These are the ones that Wikipedians have identified as being a bit unusual. These articles are verifiable, valuable contributions to the encyclopedia, but are a bit odd, whimsical, or something you would not expect to find in Encyclopædia Britannica.

Colors of noise	Including white, pink, purple, blue...
David Hahn	A 17 year-old, known as the Radioactive Boy Scout, who irradiated his back yard attempting to build a nuclear breeder reactor from spare parts.
Demon core	A two-time radioactive killer.
Fictional elements, isotopes and atomic particles	Not actual periodic elements. Many end in '-ite'. Some of the elements may indeed be minerals.
Flying ice cube	They happen to live inside the computers of scientists trying to simulate molecules.
The Hum	A phenomenon involving a persistent and invasive low-frequency noise of a humming character and unknown origin, not audible to all people, reported in various geographical locations.
List of unusual units of measurement	Fortnights and nibbles, super feet and Sagans.
Magic smoke	An alternative theory of integrated circuits: once the smoke is released they no longer work.
Oh-My-God particle	Proof that Physicists have a dramatic flair.
Pauli effect	Something in the lab not working? Technical difficulties? Blame this guy.
Quantum suicide and immortality	An infinite number of parallel universes means that any one person will always live forever.
Ranque-Hilsch vortex tube	What happens when you blow in a hole in a tube? Hot air comes out one end and cold air comes out the other. No consensus reached on why it happens yet.
Smoot	A strange unit of distance used to measure the Harvard Bridge.
Sound of fingernails scraping chalkboard	Urrrgggh!

Source:Wikipedia