Technology

Researchers Build Microscopic Gears Powered by Light in Milestone for Nano-Scale Machines

In brief Scientists etched working gear trains on a chip, driven solely by photon momentum. The devices could someday power microfluidic pumps, reconfigurable optics, and tiny surgical tools. Efficiency remains extremely low, making the work an elegant proof-of-concept, not a product. Researchers have built microscopic machines—complete with working gears, racks, and pinions—that run entirely on…

Artificial Intelligence

How to Use Google’s Nano Banana AI to Transform Your Selfies Into Digital Figurines

In brief The free Gemini 2.5 Flash Image tool turns selfies into hyperrealistic 1/7-scale figurines, sparking explosive demand. Users simply upload a full-body photo, paste a detailed prompt, and receive toy-store-ready results in seconds. Politicians and influencers are adopting the trend, while advanced users tweak materials, poses, and props for personalized dolls. Google’s latest AI…