Engineering

World's first mass production of metalenses for visible wavelengths

Do you hate the camera bumps on the back of your smartphone? A new optical component called metalens—which was named one of the top 10 future technologies by the World Economic Forum in 2019—may be the answer. Composed ...

Electronics & Semiconductors

Electromechanical resonators operating at sub-terahertz frequencies

To further advance communication systems, increasing both their speed and efficiency, electronics engineers will need to create new and highly performing components, including electromechanical resonators. Electromechanical ...

Internet

Arkansas House OKs social media age verification requirement

Arkansas children would need their parents' OK to access social media sites under a bill Arkansas lawmakers advanced Wednesday, moving the state closer toward becoming the second to enact restrictions that critics say raise ...

Security

Hack puts Latin American security agencies on edge

A massive trove of emails from Mexico's Defense Department is among electronic communications taken by a group of hackers from military and police agencies across several Latin American countries, Mexico's president confirmed ...

Consumer & Gadgets

Wireless electricity and safety

A wireless power system developed by researchers at the University of Tokyo and University of Michigan can power cell phones, lights and other devices by using magnetic fields to deliver electricity over the air. A recent ...

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