For Students & researchers · 2026-06-10

The lecture you half-remembered

A professor said something in week six that mattered. You think it was the Wittgenstein lecture but it might have been the one on Quine. You took notes. The notes don’t have it. The recordings are on the course site.

You can either rewatch four hours or you can never find it.

Type what you half-remember. “The example about a chair.” “When she compared two philosophers.” “The part about meaning that wasn’t in the slides.” Scrubless reads the audio of the lecture and the visual of the slides (which it pulls in when the camera is on them, which is most of the time) and gives you back the moment.

Researchers using this for interviews tell me they hit a different pattern. Three hours of recorded conversation, type “when she talked about her mother,” there you are. They were using the transcript before. The visual search makes the workflow work for the bits where the interview involves looking at something (photographs, objects, drawings) and the transcript can’t help.

The Q&A feature is a real shift in academic content. Ask “how did she define meaning across these lectures?” and you get a synthesis with citations to specific times in specific lectures. You watch the ninety seconds you need and close the tab. The trust is in the citations: if the synthesis claims she said something at [Week 4, 38:11], you can click and verify. That’s the difference between “an LLM told me” and “I read the source.”

If you’re writing a paper that needs to reference a specific point in a video archive, this collapses the citation-finding step from an evening to a query.