A guide to free VPNs: What you need to know, and what services to avoid

You want to protect your privacy, but you don't want to pay. Is the solution a free VPN? Here's everything you need to know about free services, trade-offs, and whether any of them are trustworthy.

5 Best Free VoIP Services Of 2026

Unlimited calls and texts: We considered how each free VoIP phone service limits you and found most allow unlimited calls, texts or video meetings for domestic outbound communication. Most services ...
XDA Developers on MSN

I carried the $54 Thinknode M5 everywhere for weeks, and now I want to build my own mesh network

It's a first-entry to the world of Meshtastic.
IEEE

Cell-Free Massive MIMO NOMA Network with Deep Reinforcement Learning Aided User Association and Power Allocation

Abstract: In this paper we investigate a User-Centric Cell Free Massive Multiple-Input-Multiple-Output (CF-mMIMO) with Non-Orthogonal Multiple Access (NOMA) and Simultaneous Wireless Information and ...
IEEE

Training-free Neural Architecture Search through Variance of Knowledge of Deep Network Weights

Abstract: Deep learning has revolutionized computer vision, but it achieved its tremendous success using deep network architectures which are mostly hand-crafted and therefore likely suboptimal.