Walking Is Controlled Falling T-Shirt, Retro Sci-Fi Robot Book Cover Tee, Biped Robot Physics Gift

Every step is a fall you catch with the other foot. A retro science-fiction paperback cover starring a walking robot mid-stride on an alien plain under a ringed cyan planet, with its center of mass, support polygon and the inverted-pendulum equation θ'' = (g / l) · sin θ drawn right on the cover. By A. Biped, 75¢.

What you get

• Front: Left-chest walking robot in front of a cyan planet, "Controlled Falling · θ'' = (g / l) · sin θ"
• Back: Large paperback-style cover "DF Science Fiction · No. 20 · 75¢" with "WALKING IS / CONTROLLED / FALLING", a biped robot mid-step on a grey plain before a ringed halftone planet, CoM marker, support polygon, a falling-forward arrow and the pendulum equation, and an author band "By A. Biped"
• 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.

Degrees of Freedom · robotics builders, programmers and teams — designed by Elevated Designs and printed to order in Charleston, SC.