Michael Weinberg

A roundup of the latest notable open source 3D printers.

Check out these unique conference badges that attendees can take home and play with.

From 3D-printed instruments to devices that pull sound out of the air, there are plenty of ways to create music with open hardware projects.

Here's some equipment you can buy or make yourself for hitting the great outdoors, no generators or batteries required.

This month's open source hardware column looks at certified open hardware from five countries that may surprise you.

Plus, two highlighted projects.