01/12/2023

Control over friction, from small to large scales

Friction is hard to predict and control, especially since surfaces that come in contact are rarely perfectly flat. New experiments demonstrate that the amount of friction between two silicon surfaces, even at large scales, ...

Detoxifying gold mining

Jacqueline "Jackie" Gerson knows very well how "artisanal gold mining" sounds to people who haven't heard the phrase before.

page 5 from 8