Disclaimer: This blog does not contain full documentation of the laboratory procedures, neither does it pretend to provide a complete lab instruction. Instead, it is designed to document special moments in the physics lab. Enjoy!
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An Old Sun Clock
You can tell that nobody uses it... Anyway, I have a kind of sentiment to those old devices.
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Try to make a sun clock on your own. If you have done one, please send me a picture of your homemade sun clock, I'll post it here.