Carnival of Space 613 – Super Alien Neutrino Communication

Carnival of Space 613 is up at Cosmoquest.

Universe Today – Advanced Civilizations Could be Communicating with Neutrino Beams. Transmitted by Clouds of Satellites Around Neutron Stars or Black Holes

Dr. Albert Jackson of the Houston-based technology company Triton Systems recently released a study where he proposed how an advanced ETI could use rely on a neutron star or black hole to focus neutrino beams to create a beacon.

Jackson suggests that a Type II civilization would be capable of enclosing a neutron star or black hole through the creation of a large constellation of neutrino-transmitting satellites.

To make use of neutrinos an advanced civilization can use a gravitational lens as a focus and amplifier. The lens can be a neutron star or a black hole. Using wave optics one can calculate the advantage of gravitational lensing for amplification of a beam and along the optical axis it is exceptionally large. Even though the amplification is very large the dimeter of the beam is quite small, less that a centimeter. This implies that a large constellation of neutrino transmitters would have to enclose the local neutron star or black hole to cover the sky. This means that such a beacon would have to be built by a Kardashev Type II civilization.

Universe Today – Small, Tough Planets can Survive the Death of Their Star.

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