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MATTER-ANTIMATTER INTERCONVERSION. “Since in super-dense nuclear medium n − n′ oscillation is strongly suppressed, for ε ∼ 10−15 eV the effective conversion time appears to be much larger than the universe age.” https://lnkd.in/dWfwWeTG View in LinkedIn

Dawn view of Girona cathedral across a sculpted meadow. View in LinkedIn

“MACH’S PRINCIPAL states that the mass of a particle is determined by its relation to all the other particles in the universe.” https://lnkd.in/dWyDyz9m View in LinkedIn

EXCEPTION. “However, in the neutron stars (NS) n → n′ conversion is energetically favored, and it can gradually transform the NS into mixed stars partially consisting of M matter.” (O= ordinary, M= mirror). https://lnkd.in/dWfwWeTG View in LinkedIn

THE LIMIT. “It is remarkable that the nuclear stability yields no limit on ε since n → n′ conversion in nuclei is forbidden by the energy conservation.” https://lnkd.in/dWfwWeTG View in LinkedIn

NO NEUTRINO EFFECT. “But in deep cosmos it could proceed without suppression, with interesting implications e.g. for the cosmic rays at super-GZK energies, as far as the neutrons produced in pγ → nπ+ reactions on relic photons can promptly oscillate into n′ and then decay in M sector.” (O= ordinary, M= mirror). https://lnkd.in/dWfwWeTG View in LinkedIn

BEE CRITICAL. “While bees carry out fewer total flower visits than other pollinators, they are responsible for about half of all crop pollination.” https://lnkd.in/dz2UJCDk View in LinkedIn

NEUTRINO EFFECT. “In fact, for free neutrons n − n′ oscillation is suppressed by the medium effects as the presence of matter and magnetic fields.” https://lnkd.in/dWfwWeTG View in LinkedIn

FRAGMENT FROM NATURE for this and next weekend examines the newly discovered phenomena of electroreception in bees, which may be widespread in insects. This new sense gives the bee a new experience of the world and flowers, which co-evolved in tight synchrony with their pollinators, helped create this new sensorium for their special relationship. https://lnkd.in/dz2UJCDk View in LinkedIn

THE ELECTRIC ORGAN. “Transduction of these forces was proposed to be taking place in the antennal Johnston’s organ. Greggers et al. (2013) demonstrate that honey bee antennae oscillate under electric field stimulation, and this stimulation can elicit activity in the antennal nerve.” https://lnkd.in/dz2UJCDk View in LinkedIn