Random wrinkles for opto-physical unclonable functions

The convergence of digital technology and the internet has led to the emergence of complex digital networks utilizing ubiquitous electronic devices such as mobile phones and smart home appliances. As a result, we can access ...

Erbium atoms in silicon: A prime candidate for quantum networks

A team of researchers at the MPQ has pioneered the integration of erbium atoms with special optical properties into a silicon crystal. The atoms can thus be connected by light at a wavelength that is commonly used in telecommunications. ...

Tuning flexible circuits with light

Researchers from Sanken (The Institute of Scientific and Industrial Research) at Osaka University and Joanneum Research (Weiz, Austria), have shown how exposing an organic polymer to ultraviolet light can precisely modify ...

US moves to tackle scourge of 'robocalls'

"Hello? Who's calling?" For many Americans these days, the call is coming from a "bot" or automated program that seeks to trick them into giving up money or important personal data.

New space race to bring satellite internet to the world

Anxiety has set in across the space industry ever since the world's richest man, Jeff Bezos, revealed Project Kuiper: a plan to put 3,236 satellites in orbit to provide high-speed internet across the globe.

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