There is an article from Popular Mechanics[1] which backlinks to this one and has a much more descriptive title, "A Quartz Thermal Trap Harnessed the Sun—and Is

There is an article from Popular Mechanics[1] which backlinks to this one and has a much more descriptive title, "A Quartz Thermal Trap Harnessed the Sun—and Is About to Change Smelting Forever". [1] - https://www.popularmechanics.com/science/green-tech/a60829402/a-quartz-thermal-trap-harnessed-the-sunand-is-about-to-change-smelting-forever/ https://www.popularmechanics.com/science/green-tech/a6082940...