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A new metal foam is as bulletproof as heavy steel armor

Using composite metal foam (CMF), scientists at the North Carolina State University have developed a bulletproof material that can stop the ball and armor-piercing...
Design flaws create security vulnerabilities for 'smart home' internet-of-things devices

Design flaws create security vulnerabilities for ‘smart home’ internet-of-things devices

Researchers at North Carolina State University have identified design flaws in "smart home" Internet-of-Things (IoT) devices that allow third parties to prevent devices from...
Bug bombs are ineffective killing roaches indoors, leave behind toxic residue

Bug bombs are ineffective killing roaches indoors, leave behind toxic residue

Bug bombs, more formally known as "total release foggers," are pesticide products that are designed to fill an area with insecticide; they are often...
Illustration of the director profile of the two-slant LC polymer Bragg PG. All notation follows ref.13.

Tech bends light more efficiently, offers wider angles for light input

Until now, state-of-the-art diffraction gratings designed to guide visible light to expansive edges have had a precise acknowledgment range, or with a bandwidth of...

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