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RE: Simple Engineering: A Centrifuge and a Microscope for less than $3!
This Paperfuge doesn't require any electricity to use...It only requires paper, a string, and some elbow grease and this is the more reason I like this biotechnique at least it will save cost of purchasing a standard centrifuge though I see paperfuge as something that if mal-handled it may likely malfuntion unlike the standard centrifuge that we use over here...its very old and its still working. Thanks to you for the awesome post.
Elbow grease? Yes, I agree it could be a pretty useful device.
Elbow grease just means human-powered. Like, if you are scrubbing pots and pans and there is burnt on food, someone will say "put some elbow grease into it," like, "scrub harder." ;)
Is that where the expression "more grease preferably power now) to your elbow" spring from? That's nice. Thank you.
Oh, I haven't heard that expression, but probably!