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Salad Spinner Made Into Life-Saving Centrifuge 87

lucidkoan writes "Two Rice University students have transformed a simple salad spinner into an electricity-free centrifuge that can be used to diagnose diseases on the cheap. Created by Lauren Theis and Lila Kerr, the ingenious DIY centrifuge is cobbled together using a salad spinner, some plastic lids, combs, yogurt containers, and a hot glue gun. The simple and easily-replicated design could be an invaluable tool for clinics in the developing world, enabling them to separate blood to detect diseases like anemia without electricity."
Programming

Simpler "Hello World" Demonstrated In C 582

An anonymous reader writes "Wondering where all that bloat comes from, causing even the classic 'Hello world' to weigh in at 11 KB? An MIT programmer decided to make a Linux C program so simple, she could explain every byte of the assembly. She found that gcc was including libc even when you don't ask for it. The blog shows how to compile a much simpler 'Hello world,' using no libraries at all. This takes me back to the days of programming bare-metal on DOS!"

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