Vulcan Elements, a rare-earth magnets startup backed by Donald Trump Jr.’s VC firm 1789 Capital, has secured a $620 million contract from the U.S. Department of Defense, as reported by the Financial ...

Seventeen elements of the periodic table have taken on outsize importance because of their use in smartphones, electric vehicles, medical devices, and other technologies. They’re valued for their ...

The research group of Prof. Din Ping Tsai from City University of Hong Kong was invited to publish a review article titled “Progress in Metalenses: From Single to Array” in the first issue of ...

Have you ever stared at a massive dataset, only to realize it’s riddled with empty columns that serve no purpose? It’s a frustrating scenario—one that wastes time, clutters your workflow, and makes ...

How to find the size of a Java array? To find the size or length of a Java array, follow these four steps Declare a variable of type array. Initialize the Java array to a non-null value. Use the ...

Two malicious packages have been discovered in the npm JavaScript package index, which masquerades as useful utilities but, in reality, are destructive data wipers that delete entire application ...

Like the iPhone, Samsung Galaxy handsets come loaded with a bunch of preinstalled Samsung apps that you don't necessarily need and might never use—especially as there are Google-made equivalents for a ...

SELECT map_subset(c0, c1) FROM ( VALUES ( MAP(ARRAY[ARRAY[1, 2]], ARRAY[1]), ARRAY[ARRAY[1, NULL], ARRAY[2, NULL]] ) ) t(c0, c1); returns "ARRAY comparison not ...

Google updated its “Results About You” tool, and using it has been an eye-opening experience. It uncovered my home address, phone number and email on so-called people-search websites, along with my ...