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Read Supermassive Black Hole A*  30 Page 1 in English
30: Ep. 39, Page 13
1 views • Jan 04, 2020
https://www.bbc.com/news/technology-50841104 About a new hydrogen fuel cell reactor: the hydrogen is stored as a solid, rather than a gas, so in theory there's a much lower risk of a highly flammable, Hindenburg-type situation. ~~~~~ The original 16" x 6.75" watercolor art for today's new A* page is https://www.ebay.com/itm/143491100647 up for auction on eBay. : )