Researchers find a way to heat 3D printer filament using microwaves, enabling fusing circuits inside printed objects — tech supports precise heating down to the width of a human hair

Sun, 19 Apr 2026 13:40:00 +0200

Researchers from Rice University have developed new microwave technology giving 3D printers the ability to heat ink with extremely high precision. The new tech is already being used to develop new 3D-printed tech that would be impossible without it, and to improve 3D printing efficiency.