Aarn writes:

“As a student of electrical and mechanical engineering I kept running into sine waves and the unit circle, and came to realize how important it is. After about a year of digging and trying to find the right artist and the right technical drawings to illustrate this concept, I settled on two images which at one time or another were featured in scientific american magazine. The inner arm is a sine wave as it relates to the unit circle, and I continued the wave theme on the whole arm piece with the outer image which is the superposition of two waves. In the background is kind of a broken-out grid that wraps around my arm and onto my shoulder