High-throughput terahertz imaging: Progress and challenges

Lying between the infrared and millimeter wave regimes, terahertz waves possess many unique properties, prompting numerous compelling imaging applications, such as non-destructive testing, security screening, biomedical diagnosis, ...

Study examines centuries of identity lost because of slavery

Many Americans can trace some lines of their family tree back to the 1600s. However, African Americans descended from enslaved Africans, who began arriving in North America in 1619, lack ancestral information spanning several ...

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