https://www.avoltium.in/2026/08/24/a-solar-panel-the-size-of-a-drink-coaster-split-water-into-hydrogen-at-10-8-percent/ Avoltium en 2026-08-24T04:56:39+00:00 A solar panel the size of a drink coaster split water into hydrogen at 10.8 percent efficiency two years ago, and when the same company built one twelve times bigger the number dropped to 9, which is the part nobody put next to this month’s announcement