Avoid shortcuts and common mistakes when troubleshooting refrigeration systems. Attention to detail not only improves your ...

Switching power supplies are familiar to Hackaday readers, whether they have a fairly conventional transformer, are a buck, a ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› by Roy Furchgott Smart smoke alarms are pricey, but unlike traditional ones, they ...

Oct. 11, 2025 — A team of engineers at North Carolina State University has designed a polymer “Chinese lantern” that can rapidly snap into multiple stable 3D shapes—including a lantern, a spinning top ...