We scored Veritasium's thumbnails, then tried to beat them

MrBeast sells spectacle. MKBHD sells the object. Ryan Trahan sells a pretty photo. Veritasium sells the impossible thing in the frame.

Derek Muller will swap a thumbnail after a video goes live. We scored what was on his channel on 2026-08-18: Infinite Hotel and Clickbait is Unreasonably Effective. Same flow as the [MrBeast](/blog/mrbeast-thumbnail-teardown), [MKBHD](/blog/mkbhd-thumbnail-teardown), and [Ryan Trahan](/blog/ryan-trahan-thumbnail-teardown) teardowns. Score the card, apply the one-click fix, score again. Score only runs on a generated card. We imported the live YouTube max-res thumbs as the reference, scored the keep-as-is card, applied the three tips, and re-scored.

Thumbnail 1: "How An Infinite Hotel Ran Out Of Room"


Split down the middle. On the left, a blue furry hotel clerk behind a marble desk. On the right, an infinite hallway of numbered doors and the text SORRY, WE'RE FULL across the bottom. No Derek. The idea and the curiosity carry it.

**Thumbly Score: 82/100**

| Dimension | Score |

|---|---|

| Virality | 82 |

| Clarity | 68 |

| Idea | 85 |

| Curiosity | 90 |

| Emotion | 88 |

The verdict it returned: *"Strong emotion and a creative concept, but foreground clutter slightly dilutes the core message."* Curiosity at 90 is the headline. You want to know how an infinite hotel runs out of room. Clarity at 68 is the drag. The blue creature, the desk, the clocks, and the hallway all fight for the same glance.

What we like is the nerve. A science channel can put a surreal clerk next to a vanishing-point corridor and trust the paradox to sell the click. Thumbly wanted the blue creature and NO VACANCIES sign gone, a directional key light from the upper left, and the FULL signs enlarged and boosted. This is what came back:


**88/100, up six.** Clarity jumped from 68 to 85. Virality moved from 82 to 88. Idea ticked from 85 to 87. Curiosity held at 90. Emotion went from 88 to 89.

The new verdict: *"Exceptional emotional intensity and curiosity, but the composition could better balance the man's reaction with the overwhelming scale of the problem."* A shocked face, endless FULL signs, and a cosmic tunnel at the end of the hall. Same paradox, less clutter. Clarity was the move.

Thumbnail 2: "Clickbait is Unreasonably Effective"


Derek on a stepladder, gesturing at a wall-sized growth chart. HERE'S THE PROOF across the top. A thick red arrow tracks the spike. His face and the packaging are the joke. The video is about clickbait. The thumbnail is clickbait about clickbait.

**Thumbly Score: 81/100**

| Dimension | Score |

|---|---|

| Virality | 80 |

| Clarity | 85 |

| Idea | 75 |

| Curiosity | 82 |

| Emotion | 83 |

The verdict it returned: *"A strong, high-impact thumbnail, but the subject's lighting could be more dramatically integrated with the background."* You read the chart and the arrow in one pass. Idea at 75 is fair. The concept is meta, not mysterious. The soft spot is integration. Derek sits in flat studio light while the graph does the heavy lifting.

Thumbly wanted a blue-red split relight, bigger money stacks, and deeper blacks with more neon on the graph. This is what came back:


**81/100, unchanged.** No delta badge. Virality went from 80 to 85. Clarity dropped from 85 to 80. Idea held at 75. Curiosity held at 82. Emotion went from 83 to 85.

The new verdict: *"A highly energetic and visually striking thumbnail with strong emotional impact. The main lever holding it back is the slight lack of visual weight and integration of some supporting elements."* The overall score stayed put while virality and emotion ticked up and clarity dropped. That is the interesting beat. Pushing the neon did not rewrite the thumbnail. It traded a little readability for more punch.

What Veritasium teaches

Science and education creators do not need to copy MrBeast's face scale to score well. Infinite Hotel hit 82 with no human in the frame because the impossible hallway did the work. When clarity lagged, the fix was subtraction and a clearer stake, not more labels.

Clickbait shows the other side. Derek's face already carries the packaging joke. Relighting and neon pushed virality and emotion without moving the total. Sometimes Score tells you the thumbnail is already doing its job and the lever is smaller than a full redesign.

If you teach hard ideas on YouTube, the question is whether the impossible thing or your face is doing the selling. [Run it through Thumbly Score](/thumbly-score) and see which dimension is lagging. For the step-by-step flow, [how to use Thumbly Score](/blog/how-to-use-thumbly-score) walks through the same buttons we used here. The series already covered [MrBeast](/blog/mrbeast-thumbnail-teardown), [MKBHD](/blog/mkbhd-thumbnail-teardown), and [Ryan Trahan](/blog/ryan-trahan-thumbnail-teardown).

*Thumbnails © Veritasium / Derek Muller, shown here for commentary and analysis. The "improved" versions are AI-generated edits made with Thumbly to illustrate the suggested changes.*