What is DNS? A computer engineer explains this foundational piece of the web – and why it’s the internet’s Achilles’ heel

(THE CONVERSATION) When millions of people suddenly couldn’t load familiar websites and apps during the Amazon Web Services, or AWS, outage on Oct. 20, 2025, the affected servers weren’t actually down ...
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Want admission to a top MBA college? Here's how to prepare for the CAT exam.

This year, the CAT exam will be conducted by IIM Kozhikode on November 30, 2025. Students from across the country will participate in this exam. The exam will be conducted in computer-based mode. With ...

Science history: First computer-to-computer message lays the foundation for the internet, but it crashes halfway through — Oct. 29, 1969

Messages transmitted between two computers located about 380 miles apart would form the basis of what would become the ...