Slices of Blue Sky

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Miscellany

My Way to Make “Clear Ice” at Home

August 24, 2025 3 Comments
A photograph of a piece of homemade clear ice (9 cm x 9 cm x 3 cm) looking through the short side of the block at an angle so the thickness of the block can be seen, after "polishing". Underneath the piece of ice is a piece of paper that has the words "frozen water" printed in 10 different languages including English, Spanish, Danish, Japanese, Icelandic, and Mongolian (frozen water, agua congelada, jäätynyttä vettä, frosset vand, gelida aqua, जमा हुआ पानी, 凍った水, gefroren wæter, fruset vatten, хөлдөөсөн ус). Several of them are legible. A crack in the middle of the block prevents others from being fully shown.

Clear ice isn’t just for fancy bars and ice carving competitions — you can make it at home. This post shares my experience with DIY clear ice.

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Kitchen Projects, Miscellany

Using Arduino for Better Homemade Bread

April 17, 2021 2 Comments
Drawing of a DIY dough proofing box that is controlled by an Arduino microcontroller

To improve my homemade bread, I built a DIY proofing box using an Arduino Uno as the microcontroller, and a string of Christmas lights as the heat source.

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Kitchen Projects, Kitchen Tips

The Home-Made Yogurt Routine

January 6, 2018 9 Comments
yogurt container pattern

My plastic container bin used to be loaded with 1-quart yogurt containers, and I felt packaging guilt whenever buying a new tub, even when it was local and organic. I knew that it wasn’t too hard to make yogurt at home — I had mental images of electric yogurt makers from the 1970s — but […]

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Kitchen Projects

Using an Arduino-based system in kitchen projects

January 25, 2013 3 Comments

The Arduino-based system in action during yogurt making (an annotated photo at Flickr) Sometimes DIY is more about the journey than saving money, more about what you learn than what you save. This was certainly the case for me when I built a system to monitor temperature in my kitchen. A few of my kitchen […]

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Slices of Blue Sky

A blog about food, history, data visualization, and more

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