You might imagine N95 masks as essentially a strainer intended to catch small particles, but as Minute Physics shows in this video, what these masks do is actually much more Keep reading
Tag: filtering
How Mantas Filter But Never Clog
Manta rays spend much of their time leisurely cruising through the water with their meter-wide mouths open. As they swim, they filter plankton, which makes up most of their diet, Keep reading
Soap Film Filter
Inspired by the self-healing properties of soap films, scientists have created a liquid filter capable of trapping small particles while allowing larger ones to pass through. Instead of filtering particles Keep reading