Recent content by Zaciekawiony

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    Undergrad Is Water's Volume Expansion Upon Freezing an Intrinsic Property?

    You can check the bottle's volume in your kitchen. Immerse the frozen bottle in a container filled to the brim with water and measure the volume of water that is displaced. Repeat the measurement once the bottle has warmed to room temperature.
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    Affordable way to remove potassium from off-grid water?

    As mentioned earlier, you need a water demineralization apparat. Gravity jug filters essentially do this, but they exchange ions like calcium and iron for sodium. There are filters that work on a similar principle, removing ions from water without adding anything new. We have one in our...
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    Random Photos

    The moon and Venus, today's evening
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    Random Photos

    For me it is young plant Epilobium parviflorum, (smallflower hairy willowherb) or Epilobium hirsutum (great hairy willowherb).
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    Random Photos

    "Dar Młodzieży" training ship seen in Świnoujście last year. Right after landing, there was an possiblity to go seeing up close.
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    Who is your favorite Jazz musician and what is your favorite song?

    She is good. I discover this week.
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    Random Photos

    Yesterday I went on turistic trail to nature reserve "Łęg Dębowy" near Janów Podlaski. 14 km via meadows, bogs, a few types of forests and Bug river. Trail starts from Janów Podlaski Stud Farm, known from breeding anglo-arabian and purebred arabian horses. I saw many storks...
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    Random Photos

    Photography from winter. Pollarded willows. Formerly it was typical view in polish rural landscape in villages. At now less and less.
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    Cover songs versus the original track, which ones are better?

    This day I remind this cover Original also is fine, but cover is more favour
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    Random Photos

    Branicki Palace in Białystok Photo from smartphone
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    Why do octets lead to a stable configuration?

    In atoms, systems with closed electron shells have the highest stability. Elements with valence electrons in the s and p shells, i.e., from the main groups, tend to have an octet, because that is the number of electrons in the second shell. D-block elements tend to form the most stable complexes...
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    Random Photos

    Yesterday I walked to Powsin Botanical Garden, to seing blossom rhododendron's collection. It's one from largest collection of rhododendrons in Poland (probably in Kórnik Park is greather).
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    Random Photos

    A piece of dry ice
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    Art Rate my photos on a scale of 1-5 please?

    The problem is that only you know that you see some kind of geometric progression and connection between objects. Western viewers are accustomed to "reading" photographs from left to right, unless there's something compelling in the strong points of the composition. Have you ever wondered why...