正经的美国名校在盖茨基金资助下的专利啊。微型针头注射疫苗的时候给你皮肤下量子点纹身,肉眼看不出来,但智能手机能扫出你的接种记录。
https://news.rice.edu/2019/12/18/quantum-dot-tattoos-hold-vaccination-record/
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