Computer Sciences

Enhancing cybersecurity with 'moving trees'

"Please enter the code within the next two minutes." The concept of one-time passwords (OTPs) has become a mainstay in our procedures for secure user verification in sensitive applications, such as government and financial ...

Hardware

A new lease on life for old laptops

Researchers in India have developed a tool that can estimate the remaining useful life of an otherwise obsolete laptop computer based on quality grading of two of its main components—hard drive and rechargeable lithium-ion ...

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