Electronics & Semiconductors

Ambient radiation used to power battery-free temperature sensor

Researchers at the University of Arkansas and the University of Michigan have reported the creation of a graphene-based energy harvester that uses ambient radiation to run ultralow-power temperature sensors. This is the second ...

Internet

Thousands of deceptive ads evade Google's safeguards

Thousands of deceptive advertisements have slipped through Google's advertising safeguards, exposing internet users to fake virus warnings, misleading software promises and potentially dangerous downloads, according to new ...

Engineering

Electric fields can change how semiconductors dissipate heat

As electronic devices become smaller and more powerful, keeping them from overheating is an increasingly difficult engineering challenge. Now, Cornell researchers have developed a computational method, backed by the first ...

Security

Cyberattack shuts down internet fan fiction library

One of the world's most popular fan fiction libraries has been dark for over a week after a cyberattack forced it offline, leaving millions of fans without access to their favorite stories.

Internet

UK probes Meta over 'exploitative' new terms for media

Britain's competition watchdog Friday opened an investigation into whether Meta was imposing "exploitative" new terms allowing it to use media content for its own products, including AI, without giving publishers adequate ...

page 21 from 40