Vanishing neutrino could upend physics + Key to unraveling wormholes?

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This surprising discovery may hold the key to unraveling wormholes

EXCERPTS: With confirmation of the existence of gravitational waves, first proposed more than a century ago by Albert Einstein but not confirmed until 2015, physicists were provided confirmation of a major prediction in general relativity theory [...] However, new research has recently revealed how the groundbreaking discovery could also be the key to proving the existence of wormholes.

[...] Current theories suggest that the [gravitational] waves were produced through the violence caused by two supermassive black holes colliding and merging with each other. Scientists hypothesize that wormholes would create similar gravitational phenomena, meaning they would be able to detect them from Earth. While the gravitational waves produced by black holes died out extremely quickly, scientists believe that wormholes would produce a unique signature -- one where the waves ricochet off of each other and almost “echo”.

[...] Both LIGO and LISA will likely not be able to detect the special gravitational echos that wormholes hypothetically would produce until at least the next decade, and even then the technology may still not be precise enough to do so. However, if history is anything to go by, then the outlook is bright... (MORE - details)

The vanishing neutrinos that could upend fundamental physics

INTRO: Italian physicist Ettore Majorana notoriously disappeared in 1938 without leaving a trace. His favourite elementary particles, neutrinos, might be capable of a similar vanishing act. Several new or upgraded experiments around the world are racing to show that an extremely rare kind of nuclear decay that normally produces two neutrinos might occasionally yield none.

These experiments have received less funding or attention than efforts to detect dark matter, but their impact across physics could be just as significant. The phenomenon of disappearing particles would suggest that neutrinos and antineutrinos, their antimatter counterparts, are one and the same — a possibility that Majorana first theorized1 in the 1930s.

Such ‘Majorana neutrinos’ could be the key to understanding why the Universe seems to contain very little antimatter (see ‘Questions that could be answered if neutrinos are Majorana particles’). Moreover, they would prove that unlike all other known particles of matter, such as electrons or quarks, neutrinos don’t get their mass from the Higgs boson.

Physicists have looked for the disappearance of neutrinos for decades, but the search is now ramping up dramatically, meaning that they “have a really good shot” at detecting it with the next generation of devices, says Michelle Dolinski, an experimental physicist at Drexel University in Philadelphia, Pennsylvania... (MORE)

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