The startup Boston Metal has raised a $75 million funding round to produce critical metals, MIT Technology Review can exclusively report. The company has been known largely for its efforts to clean up steel production, an industry that’s responsible for about 8% of global greenhouse emissions today. With the additional money, the new focus could…
The other day I idly opened TikTok to find a video of a young woman refinishing an old hollow-bodied electric guitar. It was a montage of close-up shots—looking over her shoulder as she sanded and scraped the wood, peeled away the frets, expertly patched the cracks with filler, and then spray-painted it a radiant purple.…