Knotebooks is a supplementary education platform that enables students, teachers and self-learners to effortlessly create and collaborate on customized multimedia physics lessons.
Anyone can contribute. Everyone can learn.
Nice! Something similar what I had in mind for a long time.
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Found this in my room. Damn it’s so old, got it once while we were in Italy when I was a child. It is still working fine! 😀
I made a little video: (the fan is actually working but my mobile phone has problems recording fast moving objects)
It might look stupid and silly but that breeze feels so fine! 😀