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Blog – Page 447

Also known as Virgo A or NGC 4,486, M87 is the brightest object in the Virgo cluster of galaxies, the largest gravitationally bound type of structure in the universe. It came to fame in April 2019 after scientists from EHT released the first image of a black hole in its center.

Led by the EHT multi wavelength working group, a study published in Astronomy and Astrophysics presents the data from the second EHT conducted in April 2018, involving over 25 terrestrial and orbital telescopes.

The authors report the first observation of a high-energy gamma-ray flare in over a decade from the M87, based on nearly simultaneous spectra of the galaxy spanning the broadest wavelength range ever collected.

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Psychological studies have shown that the way humans respond to others’ emotions is strongly influenced by their own past emotional experiences. When a similar emotional situation—such as a past stressful event—is observed in another person, we can react in two different ways. On one hand, it may generate empathy, enhancing the ability to understand others’ problems and increasing sensitivity to others altered emotions. On the other hand, it may induce self-distress resulting into an avoidance towards others.

The research group at IIT has demonstrated that a similar phenomenon also occurs in animals: recalling a negative experience strongly influences how an individual responds to another who is experiencing that same altered emotional state. More specifically, animals exhibit different reactions only if the negative event they experienced in the past is identical to the one they observe in others. This indicates that even animals can specifically recognize an emotional state and react accordingly even without directly seeing the triggering stimuli.

italiano di tecnologia.

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A group of researchers have carried out a techno-economic analysis of three revamping strategies for an operating photovoltaic power plant in southeast Spain. They found the highest production value by installed power is obtained when both the modules and inverters are replaced.

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Grenergy, a Spanish independent power producer focused on the development of PV, wind, and energy storage projects, has announced the arrival of 105 BYD batteries at the port of Iquique, Chile.

Grenergy said that the Chipol Guangan cargo ship, arriving after a 42-day journey from Dachan, China, has delivered 1,050 MC Cube ESS battery modules with a total storage capacity of 600 MWh. The modules will support the Oasis de Atacama solar-plus-storage project in Chile.

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