Available sizes

At $25, this David Reinfurt unisex scarf costs less than most graphic tees from comparable design-world labels. The title nods to 19th-century computing history — a reference that signals exactly who this piece is for. Eighty months of continuous stock at Stand Up Comedy points to quiet, repeating demand rather than hype. Wear it knotted tight against a plain crewneck or loose over an open collar.

Good: $25 undercuts most design-label accessories · 80 months in stock proves demand · Unisex sizing broadens the gifting range

Trade-offs: Stocked at only one boutique · Niche reference limits mainstream appeal

About this piece

NB: Please note this is a digital product. Once your order is processed, you will be emailed a PDF with install instructions. Should you desire hard mailing, please include the instruction with your order. ****** Two signals of varying frequency and phase result in a perpetual infinity, drawing and redrawing over and over. The familiar shapes are called Lissajous curves after mathematician Jules Antoine Lissajous and his “beautiful machine” of 1855. Devised to draw a picture of two superimposed systems falling into and out of phase, the machine was constructed from a pair of tuning forks placed at right angles, each with a mirror attached. A light source is focused through a lens, bouncing off the first onto the second and projecting to a large screen. As the tuning forks are struck, simple vibrations move the mirrors in a regular oscillating pattern. The projected image forms the strange and beautiful curves of a Lissajous figure. (Text courtesy O-R-G.)