Ask MAKE: How do trusses work?

As a female who LOVES browsing the materials, and who is courageous but sometimes missing some of the physics, I would love a basic (but thorough) explanation about the physics of trusses and how they distribute the load of the roof. Read more »

Ask MAKE: Continous rotation potentiometer?

I'm a museum educator, and working on an exhibit where I want to have a knob that you can spin around to change the color of an exhibit. I thought about using a potentiometer, but I am worried that it might break if people try to turn it too far. Read more »