Stop using the same login credentials everywhere. The top password managers we've tested create a unique and strong password for each of your online accounts and alert you to potential data leaks. I ...

People are bad at passwords. Most don’t bother with the unique, complex phrases or character strings that make a good password. Worse, they share weak passwords with others. The best password managers ...

Abstract: Unmanned aerial vehicle (UAV) technology has demonstrated outstanding performance and has become an essential innovation in current applications. In outdoor surveillance operations, such as ...

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Abstract: Reconfigurable intelligent surface (RIS) is capable of intelligently manipulating the phases of the incident electromagnetic wave to improve the wireless propagation environment between the ...

An 8-year-old girl from Somerset, England, wrote a letter addressed to “God, Cloud 9, Heaven" after her parents refused to let her adopt another dog. Frustrated, she stormed off to her bedroom and ...

Can you chip in? This year we’ve reached an extraordinary milestone: 1 trillion web pages preserved on the Wayback Machine. This makes us the largest public repository of internet history ever ...