New Scientist

First test of CO2 removal with green sand finds no harm to marine life

Adding olivine to the ocean could remove CO2 from the atmosphere, and a pilot project in New York state found no signs of ...

Can Some Very Tiny Particles Cool the Planet? One Tech Company Says Yes.

Stardust Solutions says its tiny spheres can reflect the sun’s rays without harming people or the environment. Critics say ...

Tiny forces, big effects: How particle interactions control the flow of soft materials

Sitting in a restaurant, you reach for the ketchup bottle, eyeing the basket of fries in front of you. You give the bottle a ...
IEEE

Analysis of Focus Ring Effect on Ion Angle Distribution in a Pulsed RF Capacitively Coupled Plasma Using a Two-Dimensional Particle-in-Cell Simulation

Abstract: Tilted ions at the edge of the wafer during the semiconductor etching process are one of the significant problems in high aspect ratio etching. Therefore, lots of research has been conducted ...