Engineering

Sound-powered sensors stand to save millions of batteries

Sensors that monitor infrastructure, such as bridges or buildings, or are used in medical devices, such as prostheses for the deaf, require a constant supply of power. The energy for this usually comes from batteries, which ...

Hi Tech & Innovation

Vibrating vests translate music for deaf concertgoers

The violins reverberate in the ribcage, while cello and bass are felt a little further down, with horns in the shoulders and, more often than not, soloists in the wrists.

Electronics & Semiconductors

Development of a self-resonant smart energy harvester

The Internet of Things (IoT) is a network based on wireless sensor nodes that provide resources and information. For the long-lasting use of IoT devices, their batteries must be replaced, or a number of power line connections ...

Engineering

New AI technology to measure the noisiness of upstairs neighbors

Some people can't sleep well because of the noise from above: Noisy upstairs neighbors. In South Korea, these sleepless nights happen in many places because of the noise from upstairs neighbors. Living in the apartment units ...

Engineering

Eliminating low-frequency noise using a chiral metabeam

The soft whirring sound of low-frequency vibrations cannot be easily detected because it is not loud. But once detected, it can be hard to ignore. Often, residents complain of the annoyance caused by low-frequency vibrations ...

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