Effective fault diagnosis is critical for maintaining the operational efficiency and reliability of photovoltaic (PV) arrays. While a multitude of artificial intelligence techniques have been applied ...

We propose a systematic and efficient extension of the multimodal transfer-matrix method to obtain the dispersion diagram of structures with 2-D periodicity specifically targeted to primitive unit ...

A new memo directed DC police to cooperate with federal immigration enforcement “notwithstanding” city law.

Pennsylvania legislator to introduce bill blocking federal takeover of local police State Sen. Art Haywood, of Montgomery County, wants to prevent President Donald Trump from taking over police in ...

WASHINGTON — The nation’s capital sued to block President Donald Trump’s takeover of its police department in court on Friday, hours after his administration escalated its intervention into ...

D.C. Attorney General sues to block federal takeover of police department, citing violation of Home Rule Act.

Democrats launched a campaign urging California voters to approve new congressional districts aimed at countering efforts by President Trump to boost the number of Republicans in Congress.

Block Inc. has launched Proto Rig, a modular Bitcoin mining system built to last a decade, allowing miners to replace parts instead of entire rigs — potentially cutting upgrade costs by 20%.

The TRAPPIST-1 system contains seven Earth-sized worlds orbiting the most common type of star in the Milky Way -- a red dwarf.

Cathie Wood’s ARK Invest has resumed buying shares of Jack Dorsey’s financial services firm Block after a prolonged sell-off, bagging $19 million XYZ shares.