We have added 70 videos to the site in July, all ad-free, in 16:9, and in either 1080p or 4k.
Gaze direction and transient highlightingWe have thought about how best to direct the student’s gaze during the videos. One way in which we do this is through use of transient highlighting. In addition to using an on-screen laser pointer, we highlight bits of text and/or diagrams temporarily. The highlighting is only temporary, because if it was permanent, almost everything would end up being highlighted by the end of the video.
It is easiest to see transient highlighting in practice by checking out some examples. This video is about solving equations. Notice the use of transient highlighting to help draw attention to where each new line has come from:
Here is another video. This one is about finding the surface area of a pyramid. Again, notice the use of transient highlighting to link parts of the diagram to the relevant numbers in the working: