Sort:  

Haha Thanks for your compliment. Actually, visuals help me to catch people. You got it.
At first ,look and then comes content. If people don't not enter, content won't meet it purpose.
So, what I feel is first impression is last impression. So, my article is as colourful as our heart. ❤️

Good pedagogical strategy, in the teaching of science didactics. The teaching must attract and much more the so-called "hard" sciences, which are perhaps a bit abstract. It is to spice it up, as we Latins say 😄 👏