The best robot lawn mowers of 2025 for yards of all sizes

I let five robot lawn mowers roam my yard day and night. The best can handle tricky terrain, slopes, and obstacles while ...
Nanowerk

Glowing carbon nanodots that remember injuries could transform aircraft safety inspections

A new phosphorescent material remembers mechanical stress and resets with ultrasound, enabling reusable optical sensors to ...
Nanowerk

Active thermal metasurfaces make small objects mimic much larger thermal signatures

Active boundary heating and cooling can make a small object look much larger to thermal sensors, a step toward compact ...
Scientific Research Publishing

Rickwood, P.C. (1989) Boundary Lines within Petrologic Diagrams Which Use Oxides of Major and Minor Elements. Lithos, 22, 247-263.

ABSTRACT: The Goueygoudoum-Fianga localities, situated within the Central African Orogenic Belt to the east of the Mayo Kebbi massif (Chad), are dominated by various ...