“They Said Steel Needed Fire”: This Swiss Solar Furnace Melts Metal With Pure Sunlight (and It’s Shattering an Entire Industry) Sustainability TimesWorld’s first solar furnaces for steel recycling open in Switzerland SWI swissinfo.chFirst Solar Furnace to Recycle Steel Can Melt Metal with Sunshine in 2 Hours Good News NetworkSwiss Innovator Panatere Unveils Solar Furnaces, Turning Watchmaking Waste into Green Steel FinancialContentWorld’s first solar furnaces unveiled to recycle luxury Swiss watch scrap steel Interesting Engineering