Current Mood Alternating T-Shirt, Funny AC Sine Wave Tee, Electrical Engineer and Electrician Gift

Current mood: alternating. Positive half the time, zero twice a cycle and never DC about it. A bold typographic print with a scope screen showing a glowing 60 Hz sine wave and its equation, for engineers, electricians and anyone whose mood has a frequency.

What you get

• Front: Full-front print: "CURRENT MOOD: ALTERNATING" over a black scope screen with a cream and copper 60 Hz sine wave, I(t) = I₀·sin(2π·60t), and "Positive half the time."
• Back: Small upper-back Magic Smoke Society round seal
• Printed with premium DTF transfers and heat-pressed by hand in Charleston, SC

Choose your shirt

• Comfort Colors 1717: heavyweight 6.1 oz garment-dyed cotton, relaxed fit (S–3XL)
• Bella+Canvas 3001: lightweight 4.2 oz Airlume cotton, softer retail fit (S–3XL)

Colors may vary slightly by screen.

Care

Wash inside out in cold water, tumble dry low or hang dry, don't iron the print.

Production & disclosure

Designed by Elevated Designs LLC using digital design tools, with AI assistance. Printed and pressed to order in Charleston, SC.

Magic Smoke Society · electrical engineers and electronics hobbyists — designed by Elevated Designs and printed to order in Charleston, SC.