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Kristjan Salev
May 30, 20242 min read
Why is the jam jar lid hard to open?
You have surely noticed that it can sometimes be extremely difficult when open a jam jar with a screw-on lid on it (even though the jar...
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Kristjan Salev
May 26, 20242 min read
What Happens to the Reflection in the Mirror When Everyone Leaves the Room?
While reading a book, I came across an interesting question that I hadn't thought of myself. The question is as follows: 'Is there an...
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Kristjan Salev
Jul 23, 20236 min read
HOW DO SOLAR PANELS WORK?
Solar panels are devices, that convert solar energy into electricity and can already be seen on many rooftops and fields around the...
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