Also known as &quot;degaussing,&quot; which brings me back to my school days when I would sometimes degauss the school&#x27;s CRT monitors when I got bored just for fun. Looks like this, if you didn&#x27;t live through those times: <a href="https:&#x2F;&#x2F;www.youtube.com&#x2F;watch?v=Sd9nOtX-CJg" rel="nofollow">https:&#x2F;&#x2F;www.youtube.com&#x2F;watch?v=Sd9nOtX-CJg</a>