The above image has been shared as a picture puzzle for children and adults. In this illusion, we can see a Classroom and somewhere inside it, there is a hidden Pencil Case.

If you need a potentiometer for a project, chances are pretty good that you’re not going to pick up a pencil and draw one. Then again, if you’re teaching someone how a variable resistor works ...

Yes, that means using a pen or pencil. Since the pandemic and the growth of tech in the classroom, some students are surprised at how little we use devices during instruction.