This interactive website from the Getty Museum feels almost like a game that teaches players to distinguish the work of the master, Rembrandt, from that of his pupils. Pairs of drawings are presented for viewers to compare (2009-20).  

The timeline shows events by integrating text, photos, drawings, maps, and videos (National WWI Museum and Memorial, USA 2015)

This comprehensive collection includes sources of five subjects: Geometry and algebra, Physics and natural sciences, Tools and machines, Architecture and applied arts, Human schiences (Italy 2020).