Video · MIT OpenCourseWare
Lecture 5: GelSight Videos: Thermoplastic elastomer (TPE)
Total watch time
5s
at 1× speed · exactly 5 seconds at 1×
Next time, skip the copying: change youtube.com to playlistduration.com in any playlist, video or channel address and it opens here.
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Show the length in a README or course description — it links back here and updates itself
Markdown
[](https://playlistduration.com/video/b4bBSaQXsW8)HTML
<a href="https://playlistduration.com/video/b4bBSaQXsW8"><img src="https://playlistduration.com/badge/video/b4bBSaQXsW8.svg" alt="Length: 5s" width="81" height="20"></a>Add ?speed=1.5 to the image URL for the time at that speed, ?label=Course to change the left text, or ?style=flat-square for square corners.
Want the numbers themselves? GET https://playlistduration.com/api/v1/video/b4bBSaQXsW8 returns them as JSON — free, no key. API docs →
Data from the YouTube Data API as of 2026-11-07 (cached).