[Andrey Mikhalchuk] is trying to gather a base set of lab instruments. Specifically, he's looking for hardware that will let him quickly filter solids out of a liquid. He first started by adding a cotton disk to a plastic funnel. It does the job, but when left to gravity it's quite slow. He needed a way to speed up the flow even when the filter is heavily clogged with particulates. There's … [Read more...]
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