At first glance, it looks like the start of a human pregnancy: A ball-shaped embryo presses gently into the receptive lining of the uterus and then grips tight, burrowing in as the first tendrils of a future placenta appear. This is implantation—the moment that pregnancy officially begins. Only none of it is happening inside a…
The sodium-ion battery startup went from announcing a $1.4 billion factory to filing for liquidation in just over a year. Natron’s troubled journey illustrates the challenges in making batteries in the U.S.