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.

What to know about Norway’s royals as crown princess and her son face new scrutiny

The eldest son of Norway’s crown princess is back in court for Day Two of a trial at which he is facing allegations of multiple alleged offenses, including rape.

Self-styled ‘science nerd’ jailed for turning mum’s shed into explosives factory

A self-professed science ‘nerd’ has been jailed at the Old Bailey for cooking up explosives in his garden shed. Harry ...
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

Array Element Phase Pattern Consistency Measurement Without Phase Center Alignment Using Multielement Measurement Data and Element Positions

Abstract: Phase response consistency is an important parameter for antenna arrays. In general, phase center alignment with the geometric center of the rotating platform is necessary for antenna phase ...