Toolbox

A visit to the AxMan

A visit to the AxMan

Bill Gurstelle is a Contributing Editor for MAKE magazine. His most recent book is entitled Absinthe & Flamethrowers: Projects and Ruminations on the Art of Living Dangerously. You can follow Bill on his danger-quest at twitter.com/wmgurst. He is a guest Make: Online author for the month of August. What in the world is obtainium? It […]

DIY electronics iPhone app

DIY electronics iPhone app

Hipster Logic has released an iPhone electronics reference app, called, well… Electrical Ref. From their iTunes description: Have you ever wondered how many Ohms that resistor your holding is? Maybe wondered what the capacitance is of a ceramic disc capacitor with the code 103? Forgotten how to assemble a 555 timer circuit? Or wondered how […]

Caliper pen

Caliper pen

Das original! It’s the German-made Messograf caliper pen from Cleo Skribent. Built into the retractable ballpoint pen is a 4″ Vernier caliper that measures in increments of both 0.1mm and 1/16″. The pen also functions as a metric screw thread scale and a tire tread depth scale. Garrett-Wade carries them. Always Have Calipers On Hand