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Julia Arehart


Arctic Flight

A journey to Northern Canada’s Barren Lands.

In Case You Missed it

Human-Powered Planes

Bolted Joints

Bolted joints are pretty simple. Drill some holes, drop a bolt into them,...

Aero ‘lectrics

You have your off-grid hangar on a solar array, but how to harness its power? Thats what Columnist Jim Weir tackles this month, with an array that tracks the sun to maximum effect.

Rapid Prototyping and Experimental Design

3D-printed composite part molds. By Ken Krueger.