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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How to learn while it’s hot outside

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! 😀