a group of researchers have found a way to use 3D printed molds to create microfluidic LEGO bricks that make microfluidic prototyping child’s play. For the uninitiated, microfluidics is the ...

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It has to be very strong to do that. Do you know what it's made of? Male Child: Is it made out of bricks? Curious Cat: That's right, but what are bricks made from? Female Child: Hmm, I don't know.