science and technology 科技
2018年6月30日 星期六
Why are countries creating public random number generators?
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Why are countries creating public random number generators? By Sophia Chen Jun. 28, 2018 , 12:00 PM In Chile, politicians resent the C...
Clothes coated in copper nanoparticles are antibacterial
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The Economist A new copper-coated fabric is just as effective as silver at killing two bugs that can cause serious inf...
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