Ex‑SpaceX engineer unveils an $80 plastic‑free coffeemaker as microplastic health risks rise

A former SpaceX engineer walked away from rockets to chase something far more impactful: a perfect coffeemaker. 

JC Foster left the aerospace giant to launch Puresteel, a startup building what he described as “an affordable, convenient, plastic-free coffeemaker,” he wrote in a post on X. 

For Foster, developing Puresteel was about more than a perfectly brewed cup of coffee at a precise 200°F. “Creating Puresteel was about solving a problem that hits close to home and helping...