Block CEO Jack Dorsey has launched Bitchat, a new peer-to-peer messaging app that works entirely over Bluetooth mesh networks ...

Sony Block Solutions Labs (SBSL), the builder of Soneium, used the Optimism OP stack, a fast and cheap layer linked to Ethereum for “bridging the gap between Web2 and Web3 audiences, especially ...

In this paper, we consider the physical-layer security for single-input single-output (SISO) indoor visible light communication (VLC) wiretap systems in the presence of multipath reflections. We ...

The third-generation Amazon Echo Show 8 remains the best Alexa smart display for most homes thanks to software-based audio enhancements and other subtle upgrades.

At first look, it’s easy to write off the Amazon Echo Hub as a pricey smart display with mediocre audio. At $179.99, it's essentially a flat version of the Echo Show 8 ($149.99) with smaller ...

Reconfigurable intelligent surface (RIS)-aided wireless communications have drawn significant attention recently. We study the physical layer security of the downlink RIS-aided transmission framework ...

Natural hazards are extreme natural events that can cause loss of life, extreme damage to property and disrupt human activities. Human activities can influence how often certain natural hazards ...

The third-generation Amazon Echo Show 10 smart display delivers powerful audio and adds a motorized base that lets the screen and camera rotate as you move around.

The Amazon Echo Hub is a sleek smart home hub that makes it easy to control connected lights, locks, and other devices by touch or voice. Measuring 5.4 by 7.9 by 0.6 inches (HWD), the Echo Hub is ...

Create, view, edit, and share diagrams—either in Visio for the web or directly in Microsoft Teams—as part of your Microsoft 365 subscription. Simplify your system design process and illustrate how ...