ATTEMPTS to count small particles suspended in fluid flowing through a tube have not hitherto been very successful. With particles such as red blood cells the experimenter must choose between a wide ...

In reliability engineering, few indicators are as consistently revealing as the particles that infiltrate a lubrication ...

CNET experts have tested dozens of air purifiers in our Louisville testing lab. Here's how we evaluate them to provide recommendations for flu season, pet owners and allergies. Ajay has worked in tech ...

Nanoparticles are particles that exist on a nanometre scale (i.e., below 100 nm in at least one dimension). They can possess physical properties such as uniformity, conductance or special optical ...

At the heart of every atomic nucleus, the strong interaction quietly dictates the structure of matter, yet for decades one of its simplest products refused to fit the script. The way fragile “light ...