The best AI chatbots of 2026: I tested ChatGPT, Copilot, and others to find the top tools around

I pushed eight free AI chatbots to their limits to find the best AI chatbots of 2026. To explore our top picks, check out ZDNET's chatbot-by-chatbot guide.
IEEE

Experimental Demonstration of Single-Pixel Imaging Using a Polarization-Maintaining Fiber Array With Four Fibers

Abstract: Endoscopes with small diameters are widely desired in medical and industrial fields. In this letter, we experimentally demonstrated single-pixel imaging (SPI) using a ...
IEEE

A Fast and Accurate Self-Healing Scheme for Intelligent Distribution Networks Using Mixed Integer Linear Programming

Abstract: Fast and accurate self-healing after faults is an important way to improve the reliability of distribution networks. To improve the self-healing speed and accuracy of distribution networks, ...