You may unsubscribe at any time. By signing up, you agree to our terms of use and privacy policy. This site is protected by reCAPTCHA and the Google privacy policy and terms of service apply.

In a classic winter layering system, it’s the midlayer that holds the magic. A good midlayer has to breathe, wick, and do most of the insulating for you, even when wet—a level of multitasking you ...

An accessible 3D printer for metals has been the holy grail of amateur printer builders since at least the beginning of the RepRap project, but as tends to be the case with holy grails, it’s proven ...