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☆ A second giant 'hole' has appeared on the sun, and it could send 1.8 million mph solar winds towards Earth
▼ + stars: | 2023-03-27 | by ( Marianne Guenot | ) www.businessinsider.com time to read: +5 min

These 'holes' can send 1.8 million mph solar winds towards Earth. As this first 'hole' begins rotating away from us, a new giant coronal hole — about 18 to 20 Earths' across — has come into view. Coronal holes release solar winds into space which can damage satellites and reveal stunning auroras if they reach the Earth. The 'hole' is positioned close to the sun's equatorThe coronal hole came into view as the sun rotated. The solar winds can blast very fast solar winds, with speeds of more than 800 kilometers per second, Verscharen said.

☆ Column: Latin America on track to harness solar power potential
▼ + stars: | 2023-03-02 | by ( Gavin Maguire | Thomson Reuters | Gavin Maguire Is The Global Energy Transition Columnist. He Was Previously Asia Commodities | ) www.reuters.com time to read: +5 min

LITTLETON, Colorado, March 2 (Reuters) - Countries in Latin America and the Caribbean have the largest solar power development pipeline outside Eastern Asia and North America, making the bloc a key renewable hot spot to track over the coming decade. Solar power currently generates only 3%-4% of the electricity produced across Latin America and the Caribbean (LAC), according to data from think tank Ember. But with nearly 250 projects constructing 19,429 megawatts (MW) of solar power capacity, the region's solar power supply potential is primed to jump by at least 70% from current levels once projects are completed, GEM data shows. Collectively, those five countries account for over 88% of current installed solar capacity and about 97% of planned capacity additions that are already in construction. That compares to $0.07/kWh for China, $0.10/kWh for the United States, and $0.07/kWH for India, the top three global solar producers.

Kazuo Ueda, a 71-year-old university professor who has kept a low profile despite strong credentials as a monetary policy expert, ticked some important boxes. While he was not even on the list of dark horse candidates floated by the media, Ueda was well known in global central bank circles. The bank's preferred choices were incumbent deputy governor Amamiya, as well as former deputies Hiroshi Nakaso and Hirohide Yamaguchi, given their deep knowledge on monetary policy. Matsuno said he hoped the BOJ works closely with the government and guides monetary policy flexibly, when asked whether Ueda's appointment could lead to a retreat from Abenomics. While he warned of the rising cost of the BOJ's yield control policy, Ueda has called for the need to keep monetary policy loose to ensure Japan stably achieves the bank's 2% inflation target.

☆ Time travel is theoretically possible, calculations show. But that doesn't mean you could change the past.
▼ + stars: | 2022-12-31 | by ( Susie Neilson | Natalie Musumeci | ) www.businessinsider.com time to read: +5 min

Time travel is possible based on the laws of physics, according to researchers. Put simply: It's theoretically possible to go back in time, but you couldn't change history. Thomas Peter/ReutersThe grandfather paradoxPhysicists have considered time travel to be theoretically possible since Albert Einstein came up with his theory of relativity. The most famous example is known as the grandfather paradox: Say a time-traveler goes back to the past and kills a younger version of his or her grandfather. Applied to the grandfather paradox, then, this would mean that something would always get in the way of your attempt to kill your grandfather.

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