On Mon, 12 Oct 2015, Jonathan L. Trigaux wrote:

> Be warned if watching the "Physics and chemistry extravagana" video with 
> headphones on. There is an EXTREMELY LOUD noise screech at 00:36. My sound 
> volume was at the minimum (one up from "mute") but my ears are still ringing 
> from it.

Further testing shows the screeching noise seems to only occur when 
viewing in Safari; sound was normal when video played under Firefox and 

If talking to me, expect to hear "What?" for the next few days (ow).


Jonathan L. Trigaux
Systems Architecture & Administration
Enterprise Technology Services
University of Vermont
Burlington, VT 05405