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Abstract: Intelligent reflecting surface (IRS) is an enabling technology to engineer the radio signal propagation in wireless networks. By smartly tuning the signal reflection via a large number of ...

Butterfly and moth wings can be stunningly beautiful. More importantly, some have colourful and elaborate patterns that serve as a defence against hungry predators. There are many butterfly and moth ...

Get ready for your aha moment: Every weekday, host Meghna Chakrabarti pierces your news bubble to expose the whole story. Getting answers to the questions that need to be asked, examining our history ...