Monthly Archives: April 2020

Android device encryption hang at Time remaining 00:00

Posted on April 18, 2020 by Matthew

Recently I had a frustrating problem while trying to enable full disk encryption on my Android device (Motorola G3 “osprey”). Every time the encryption process would hang forever at: EncryptingWait while your phone is being encrypted.Time remaining 00:00 After forcibly … Continue reading →

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WebEx audio input hang on Linux (Chrome/Chromium bug)

Posted on April 13, 2020 by Matthew

If you have been connecting to WebEx meetings on Linux using Chrome/Chromium versions 79 or 80, you might have run into issues where your microphone randomly stops working and other participants cannot hear you. When trying to reconnect to the … Continue reading →

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H field and material boundaries

Posted on April 10, 2020 by Matthew

For a long time I thought of the H field as being generated by free currents only. The problem with this view is that it leads us to make erroneous assumptions. We know from the definition of H that:   … Continue reading →

Posted in Physics | Leave a comment