Description: ✈ Learn to build airplanes like this with the basic online course. ★ To download the plans and see more videos, ...

A Planet Analog article, “2N3904: Why use a 60-year-old transistor?” by Bill Schweber, inspired some interest in this old transistor and how it’s commonly used, and if any uncommon uses might exist.

A whisper-quiet jet soared past the crowd at speeds up to 100 mph, one of three ducted-fan jets flown during a demonstration Sunday at the second annual Buy, Build and Fly event hosted by the Sonoran ...

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