For all but the simplest screencasting, there are several tools needed: Vector graphics editor - Inkscape Presentation editor - LibreOffice Impress Screencast / video recording and live streaming tool - OBS Studio Video editor - Shotcut
How to set and modify hostnames hostname commands hostname and hostnamectl will display the static, transient hostnames (hostnamectl also provides other host information). sudo nano /etc/hostname can be used to edit the hostname that will be displayed upon reboot or restart. This can be done more easily from the command with sudo hostnamectl set-hostname NEWNAME ... Read more
US Civilian Air Patrol
Introduction to Dorothy Sayers - The Lost Tools of Learning In 1947, at the age of 56, Dorothy Sayers -- a writer of advertising and detective novels -- wrote an essay on education entitled The Lost Tools of Learning. Sayers was also a Christian apologist, and translator of Dante, having learned Latin starting at age ... Read more
My five-year-old is obsessed with size comparisons of planets, stars, and larger and smaller astronomical objects (as well as structures on earth). His interests have expanded greatly my own knowledge of astronomy. At first I thought it would be interesting to buy a telescope and play with that, but there isn't much to see with ... Read more
This was a time of innovation. Somewhere between 4,000 and 3,001 BCE (6,000-5000 years ago): Beginning of the Bronze Age Writing systems emerged (Mesopotamian cuneiform and Egyptian hieroglyphics), proto-writing may have emerged earlier Probable first domestication of the horse (Ukraine) Earliest known numerals (Egypt) Lyres, harps, flutes and clarinets (Egypt) Desertification of Northern Africa begins ... Read more
How to teach students who read below expectations The basic arguement is: what to do with students who read beneath their age-indicated reading level? Two approaches: Read less challenging material (that is, if 3rd grade with 1st grade reading skills, read 1st grade material), this is the Guided Reading with Leveled Texts and a cueing ... Read more
Notion is a flexible cross-platform SAAS application that combines wikis, tasks, kanban boards, and tables (databases). The only problem with it is security and self-hosting (not available), and some things are not easy to do (recurring tasks). It has a pretty good look and feel, and does decent collaboration. For small to medium-sized teams it ... Read more
Yes, it will take that long, but also yes, we will achieve normalcy once again. Repurcussions of this crisis precipitated by disgraced former president Trump will echo long into the 2020s and beyond, as a scar. Yes it will take that long. 2021? forget about it. 2022? Still reeling from the pandemic, and maybe everyone ... Read more
Google says they don't have a concept of toxic domains. Yet they have a disavow links tool. And in particular there are situations where manual actions are accomplished based on paid links. So, if the domains aren't toxic, certainly links from certain domains might be. The idea that domains or links might not be toxic, ... Read more