Business

US FCC bans sales, import of Chinese tech from Huawei, ZTE

The U.S. is banning the sale of communications equipment made by Chinese companies Huawei and ZTE and restricting the use of some China-made video surveillance systems, citing an "unacceptable risk" to national security.

Computer Sciences

Researchers design more secure mobile contact tracing

For public health officials, contact tracing remains critical to managing the spread of the coronavirus—particularly as it appears that variants of the virus could be more transmissible.

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