Science News
Not-so-permanent marker | Science News
25
Feb
Feb
In this video, sped up 10 times, researchers remove permanent ink from a glass surface by slowly dipping it into water. It took about five minutes to remove the …
source
In this video, sped up 10 times, researchers remove permanent ink from a glass surface by slowly dipping it into water. It took about five minutes to remove the …
source
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