Fossilized footprints, preserved in gypsum mud that hardened over time, are estimated to be 23,000-21,000 years old. NPS / Alamy Ancient human footprints, preserved in a dry lakebed at White Sands ...
Abstract: We report world’s first demonstration of n- and pMOSFET in 3-Dimensional Stacked FET (3DSFET) with vertically stacked n/p metal gate and isolated source/drain between top and bottom FETs. We ...
Hiram Revels subverted slave states and recruited soldiers in the Civil War. In the 150 years since he took office, he remains one of only 11 Black senators ever elected or appointed. A preacher and ...
Andrew Beattie was part of the original editorial team at Investopedia and has spent twenty years writing on a diverse range of financial topics including business, investing, personal finance, and ...
Abstract: The focal mechanism provides seismological constraints on the geological faults that generate the earthquakes and thus is important for regional seismotectonic research. Focal mechanism ...
Lea Uradu, J.D., is a Maryland state registered tax preparer, state-certified notary public, certified VITA tax preparer, IRS annual filing season program participant, and tax writer. A first-time ...
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