sponge up
- v absorb as if with a sponge
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- Repurposed: Ground Circuit Board Waste Can Clean Up Toxic Metals
ckwu writes "Researchers in Hong Kong have found a beneficial new use for the electronic waste from discarded cell phones, computers, and other gadgets. Ground up into a powder, printed circuit boards from these products could sponge up another type of pollution — toxic heavy metals in water. The researchers processed the nonmetallic fraction of waste circuit boards into a powder and found that ...
Aug. 1, 2013 - Slashdot