Tohoku University

$New diffraction phenomenon of acoustic waves. A novel asymmetric diffraction has been achieved using a nano-patterned array of ferromagnets. This demonstration arises from a unique interaction between ferromagnets and acoustic waves.$

Magnetic ‘Wave Bending’ Discovery Could Transform Next-Gen Communications

Categories Physics & Mathematics

Schematic illustration of a wireless network with energy-harvesting modules. RF signals that are unused by electronic gadgets and would otherwise go to waste are used to generate usable DC power to drive sensors and devices.

Turning unused signals such as Wi-Fi into energy for electronics

Categories Earth, Energy & Environment, Technology

A schematic outlining how a hacker uses cache side-channel attacks.

Researchers unveil new cipher system that protects computers against spy programs

Categories Technology

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