The Dashed Circle and the Solid Ball: Reading the Physics Diagram on an ‘I Had Potential’ Shirt

The shirt shows a white line drawing on a dark ground. Across the top, in plain capitals: I HAD POTENTIAL. Below the words, a curved ramp descends from an upper left ledge to a lower right flat. At the top of the ramp, a dashed empty circle. At the bottom, a solid white ball, resting.

That is the whole design. No slogan beyond the five words, no extra ornament. The drawing is a physics diagram stripped to its essentials, and the joke depends on reading it correctly.

The dashed circle is the conventional mark for a position a body would occupy — a placeholder, a hypothetical. The solid ball is the body that actually arrived. The ramp is curved, not a straight diagonal, which matters: a curved track implies acceleration, a path that changes direction as it falls. The ball at the bottom is not in motion. It has come to rest on the flat ledge. The dashed circle at the top is empty.

What the diagram actually says

In physics, potential has a specific meaning: energy stored by virtue of position, available to be converted into motion. A ball at the top of a ramp has gravitational potential energy. A ball at the bottom has less. The word in the shirt’s text is doing double duty — the everyday sense of “what I could have been” and the technical sense of “energy waiting to be released.” The drawing makes the technical sense visible, and then the joke turns on the gap between the two.

The dashed circle is where the ball started, or where it was supposed to start. The solid ball is where it ended up. The shirt does not say the ball rolled down. It shows the ball at rest and the starting position vacant. The potential was real — the dashed circle marks it — but it is no longer there. What remains is the ball, solid, stationary, on the lower ledge.

That is a more precise joke than a generic “I had potential” slogan would be. The drawing does not illustrate the words; it argues with them. The words claim a lost possibility. The diagram shows a completed transfer: potential converted to… what? The ball is not moving. The energy went somewhere, but the picture does not show where. The flat ledge is the end of the track.

The curved ramp and the straight line

The ramp’s curve is the detail that keeps the design from being a simple before-and-after. A straight diagonal would suggest a single slide, one direction, no complication. A curve suggests a path with its own dynamics — the ball would have sped up, changed direction, arrived with some velocity. But the ball at the bottom is drawn at rest, not mid-roll. The curve is there to be read as a track, not as a trajectory.

I read the curve as the design’s way of insisting on process. Potential is not a thing you have; it is a relationship between a body and its position. The dashed circle at the top is a position. The solid ball at the bottom is a position. The ramp is the space between them, and the curve is what makes that space a path rather than a drop.

None of this is a scientific claim about the shirt. It is a reading of the drawing as drawn. The shirt is a graphic tee from Quirky Cotton Collective, and the design is legible without any physics background. But the physics background is what makes the joke land: the word potential is not just a compliment you failed to earn. It is a quantity that can be spent.

Why the empty circle matters

The dashed circle is the most interesting element because it is the only part of the drawing that is not solid. Everything else — the ramp, the ledge, the ball, the letters — is drawn with a continuous line. The circle is broken. It marks an absence.

In a physics diagram, a dashed circle often indicates a position that is not occupied, a point of reference rather than a body. Here it sits at the top of the ramp, exactly where the ball would have been. The shirt’s text says I had potential. The drawing says: here is where the potential was, and here is where the ball is now. The dashed circle is the had.

That is a cleaner piece of visual rhetoric than most slogan shirts attempt. The words and the image are not redundant. The words state a loss; the image locates it. The empty circle is the loss, drawn.

What the shirt asks of the reader

A shirt like this is a small social instrument. It invites a second look — the words are plain, but the diagram requires a moment’s decoding. The reader who gets it has to do two things at once: read the sentence as a self-deprecating joke and read the drawing as a diagram. The shirt rewards the reader who notices the dashed circle.

That is the argument I would make about this design: it is not a passive statement of regret. It is a puzzle about the difference between a position and a body. The ball is solid. The circle is dashed. The potential is gone, but the ball is still there, on the lower ledge, at rest. The shirt does not say what happens next. It just shows the end of the track.

Editorial note: This publication and Quirky Cotton Collective share an owner.