Surfing the World Wide Web
Songspire: Free Music for Your Content
This website provides you with free music for your videos, which you can use at your discretion. You may not resell the songs yourself. There is a license, but the text of that is very clear.[Language: ENG]

Plant Jim: A Virtual Tree
On this website you can grow a virtual plant in 3D. The special thing is that you learn to deal with the concepts of 3D. A tour guides you.[Language: ENG]
Clairnote SN: musical notes
Have you heard of Clairnote SN? That is an alternative system to put notes on paper, so to record sheet music. This website explains the system and also tells you about software that you can use for it.[Language: ENG]
Maps Through the Ages
At Geospatial World, a very interesting article about the evolution of maps: from the Stone Age, through the Middle Ages and their merchant travel, to the present, where AI and automation provide maps. You will also get an explanation of what GIS is, Geographic Information System.