Multipath interference disrupts wireless signals, causing issues like TV ghosting and fading. Now, researchers have developed a passive metasurface that overcomes traditional filtering limits. Using a ...

The Federal Aviation Administration has issued a proposed rule requiring operators to upgrade radio altimeters again as the ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." “Hello? Hello? Can you hear me?!” We’ve all been there before: little to no cell phone service at a time ...

Even the most advanced smartphones, such as the iPhone 15, can occasionally experience cellular signal drops. This frustrating issue disrupts communication and internet access, and could arise from a ...

With many smartphones costing upwards of $1000 (and even budget phones costing several hundred dollars), most of us want to ...

This video presents a study in which researchers developed a passive metasurface that uses a time-varying interlocking mechanism with metal-oxide-semiconductor field-effect transistors to selectively ...