Zero 2 Infinity's new 3D-printed engine combustion chamber for Bloostar, a balloon-assisted rocket the company is developing. Credit: Zero 2 Infinity. Updated March 24 at 11:15 a.m. Eastern.

If you have been thinking of becoming involved with 3D printing but are a little worried that it might be a little complex and involve a very steep learning curve. You may be interested in a new piece ...

Imagine you have a 3D printer that can do more than just print small models. The Infinity 3D printer is not only capable of self replicating itself but also by increasing its build volume. With the ...