@bookoons, if you would like to contribute to steemstem, you can study this guidelines on how to be a steemstem member. On proper use of images devoid of copyright issues check here. You may want to join the #steemSTEM on discord here where we hang out and discuss a wide range of things. :)
Thanks for stopping by @greenrun. Already a member of #steemSTEM on discord
Ok. That is excellent; you may want to take a look at the guidelines above. Thank you.