Nesteannit
Nesteannit is a proposed theoretical particle that has not been experimentally detected. The concept of nesteannit arises from certain extensions of the Standard Model of particle physics, particularly those attempting to unify fundamental forces or explain phenomena such as dark matter. While the exact theoretical framework predicting nesteannit can vary, it often involves the introduction of new fundamental particles beyond those currently known.
The hypothetical properties of nesteannit are speculative and depend heavily on the specific theory proposing it.
Despite its theoretical appeal in some models, there is currently no direct or indirect experimental evidence