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diff --git a/root/articles/xy-workshop/03/text$markdown.md b/root/articles/xy-workshop/03/text$markdown.md new file mode 100644 index 0000000..c90491e --- /dev/null +++ b/root/articles/xy-workshop/03/text$markdown.md @@ -0,0 +1,12 @@ +what is sound? +============== +<br /> + +- *vibrations* in the air +- movement of your ear drum +- movement of a speaker membrane +- numbers in a file on your computer + +what do they all have in common? +- something is *changing over time* + - a wave! |